Question

Find the fourth proportional to 6, 36, 12.

• A. 36
• B. 72
• C. 24
• D. 94

Answer 1

Answer:

B. 72

Fourth proportional = d = (b × c)/a a = 6, b = 36 and c = 12 So, d = (36 × 12)/6 ⇒ d = 432/6 = 72