Home / 10,100.13-15,151.46-3,437.74

Finding the Fourth Proportional to 10,100.13, 15,151.46 and 3,437.74

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Solution

The fourth proportional to 10,100.13, 15,151.46 and 3,437.74 is: 5,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.13 : 15,151.46 = 3,437.74 : x
  2. Step 2: Convert to fraction form
    10,100.13/15,151.46 = 3,437.74/x
  3. Step 3: Cross multiply
    10,100.13x = 15,151.46 × 3,437.74
  4. Step 4: Simplify right side
    10,100.13x = 52,086,781.85
  5. Step 5: Solve for x
    x = 52,086,781.85/10,100.13
  6. Step 6: Final answer
    x = 5,157.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.