Home / 10,934.38-15,098.97-8,572.42

Finding the Fourth Proportional to 10,934.38, 15,098.97 and 8,572.42

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Solution

The fourth proportional to 10,934.38, 15,098.97 and 8,572.42 is: 11,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.38 : 15,098.97 = 8,572.42 : x
  2. Step 2: Convert to fraction form
    10,934.38/15,098.97 = 8,572.42/x
  3. Step 3: Cross multiply
    10,934.38x = 15,098.97 × 8,572.42
  4. Step 4: Simplify right side
    10,934.38x = 129,434,712.41
  5. Step 5: Solve for x
    x = 129,434,712.41/10,934.38
  6. Step 6: Final answer
    x = 11,837.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.