The fourth proportional to 5, 8, 15 is:

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

The fourth proportional to 5, 8, 15 is:

Options:

Correct Answer:

Explanation:

Let us consider that , 4th proportional is d

a : b :: c : d

\(\frac{a}{ b }\) = \(\frac{ c }{ d }\)

d = \(\frac{ bc }{ a }\)

Fourth proportional to 5, 8, 15 is:

= \(\frac{ 8 × 15 }{ 5 }\)

= 24

The correct answer is Option (2) → 24