Home / 10,086.30-15,132.15-8,998.20

Finding the Fourth Proportional to 10,086.30, 15,132.15 and 8,998.20

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Solution

The fourth proportional to 10,086.30, 15,132.15 and 8,998.20 is: 13,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.30 : 15,132.15 = 8,998.20 : x
  2. Step 2: Convert to fraction form
    10,086.30/15,132.15 = 8,998.20/x
  3. Step 3: Cross multiply
    10,086.30x = 15,132.15 × 8,998.20
  4. Step 4: Simplify right side
    10,086.30x = 136,162,112.13
  5. Step 5: Solve for x
    x = 136,162,112.13/10,086.30
  6. Step 6: Final answer
    x = 13,499.71

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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.