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Finding the Fourth Proportional to 16,513.68, 24,770.52 and 7,146.04

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Solution

The fourth proportional to 16,513.68, 24,770.52 and 7,146.04 is: 10,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.68 : 24,770.52 = 7,146.04 : x
  2. Step 2: Convert to fraction form
    16,513.68/24,770.52 = 7,146.04/x
  3. Step 3: Cross multiply
    16,513.68x = 24,770.52 × 7,146.04
  4. Step 4: Simplify right side
    16,513.68x = 177,011,126.74
  5. Step 5: Solve for x
    x = 177,011,126.74/16,513.68
  6. Step 6: Final answer
    x = 10,719.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.