Home / 10,839.27-16,167.32-10,511.13

Finding the Fourth Proportional to 10,839.27, 16,167.32 and 10,511.13

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Solution

The fourth proportional to 10,839.27, 16,167.32 and 10,511.13 is: 15,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.27 : 16,167.32 = 10,511.13 : x
  2. Step 2: Convert to fraction form
    10,839.27/16,167.32 = 10,511.13/x
  3. Step 3: Cross multiply
    10,839.27x = 16,167.32 × 10,511.13
  4. Step 4: Simplify right side
    10,839.27x = 169,936,828.55
  5. Step 5: Solve for x
    x = 169,936,828.55/10,839.27
  6. Step 6: Final answer
    x = 15,677.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.