Home / 10,155.18-15,232.77-6,691.62

Finding the Fourth Proportional to 10,155.18, 15,232.77 and 6,691.62

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Solution

The fourth proportional to 10,155.18, 15,232.77 and 6,691.62 is: 10,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.18 : 15,232.77 = 6,691.62 : x
  2. Step 2: Convert to fraction form
    10,155.18/15,232.77 = 6,691.62/x
  3. Step 3: Cross multiply
    10,155.18x = 15,232.77 × 6,691.62
  4. Step 4: Simplify right side
    10,155.18x = 101,931,908.39
  5. Step 5: Solve for x
    x = 101,931,908.39/10,155.18
  6. Step 6: Final answer
    x = 10,037.43

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Similar ratio
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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.