All Exams Test series for 1 year @ ₹349 only
Question

Find the fourth proportion of the following numbers.

\(\frac{1}{3}\) of 6, \(\frac{4}{5}\) of 15, \(\frac{3}{7}\) of 21.

This question was previously asked in
SSC Selection Post 2023 Graduation Level Question Paper (30 Jun, 2023) (Shift 1)
The correct answer is

54

The correct answer is 54.

Property of Proportion: In a proportion, the product of the extremes is equal to the product of the means. That is, if a:b = c:d, then ad = bc. This property is crucial for solving problems involving proportions, including finding the fourth proportion or any other missing term. Understanding how to work with ratios and proportions is essential for many types of mathematical problems.

Was this answer helpful?

Similar Questions

  1. Find the fourth proportional of (x4 - y4), (x + y) and (x − y), provided x ≠ y.

  2. What is the fourth proportional to the numbers 8, 66 and 112?

  3. Find the fourth proportion of the following numbers.

    \(\frac{1}{3}\) of 18,  \(\frac{4}{5}\)  of 20,  \(\frac{3}{7}\)  of 28.

  4. The fourth proportional to 0.08, 0.12 and 6 is:

  5. What is the fourth proportional of \(\frac{1}{72},\frac{1}{168},\frac{1}{150}\) ?

  6. Find the fourth proportional to m + 3, m + 7 and 15 m if m = 3.

  7. The fourth proportional to 10.8, 3.6 and 20.4 is:

  8. The fourth proportional of 10, 15 and 30 is:

  9. What is the fourth proportional of 21, 56 and 27?

  10. What is the fourth proportional to \(13\frac{1}{2}\) ,  \(9\frac{3}{4}\)  and  \(7\frac{4}{5}\)  ?


Important Questions from Fourth Proportional

  1. Find the fourth proportional of (x4 - y4), (x + y) and (x − y), provided x ≠ y.

  2. What is the fourth proportional to the numbers 8, 66 and 112?

  3. The fourth proportion to 12, 18, 6 is equal to the third proportion to 4, k. What is the value of k?

  4. The fourth proportional to 10, 12, 15 is :

  5. Find the fourth proportion of the following numbers.

    \(\frac{1}{3}\) of 18,  \(\frac{4}{5}\)  of 20,  \(\frac{3}{7}\)  of 28.

Need Expert Advice?
Upcoming Exams
SSC CPO
November 23, 2026
SSC CHSL
November 30, 2026
Test Series
SSC Selection Post img
SSC
SSC Selection Post (Graduation) (Phase 12) 2025 Mock Test Series
489 Tests 5 Tests Free
5493 Attempts
4.8(319)
English, Hindi

Start Your Preparation with Prepp Mobile App

Download the app from Google Play & App Store
Download the app from Google Play & App Store
Prepp Mobile App