Home / 10,781.53-16,166.81-4,933.13

Finding the Fourth Proportional to 10,781.53, 16,166.81 and 4,933.13

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Solution

The fourth proportional to 10,781.53, 16,166.81 and 4,933.13 is: 7,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.53 : 16,166.81 = 4,933.13 : x
  2. Step 2: Convert to fraction form
    10,781.53/16,166.81 = 4,933.13/x
  3. Step 3: Cross multiply
    10,781.53x = 16,166.81 × 4,933.13
  4. Step 4: Simplify right side
    10,781.53x = 79,752,906.91
  5. Step 5: Solve for x
    x = 79,752,906.91/10,781.53
  6. Step 6: Final answer
    x = 7,397.18

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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.