Home / 10,691.72-16,039.28-3,296.17

Finding the Fourth Proportional to 10,691.72, 16,039.28 and 3,296.17

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Solution

The fourth proportional to 10,691.72, 16,039.28 and 3,296.17 is: 4,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.72 : 16,039.28 = 3,296.17 : x
  2. Step 2: Convert to fraction form
    10,691.72/16,039.28 = 3,296.17/x
  3. Step 3: Cross multiply
    10,691.72x = 16,039.28 × 3,296.17
  4. Step 4: Simplify right side
    10,691.72x = 52,868,161.70
  5. Step 5: Solve for x
    x = 52,868,161.70/10,691.72
  6. Step 6: Final answer
    x = 4,944.78

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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.