Home / 10,088.39-15,132.54-2,591.94

Finding the Fourth Proportional to 10,088.39, 15,132.54 and 2,591.94

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Solution

The fourth proportional to 10,088.39, 15,132.54 and 2,591.94 is: 3,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.39 : 15,132.54 = 2,591.94 : x
  2. Step 2: Convert to fraction form
    10,088.39/15,132.54 = 2,591.94/x
  3. Step 3: Cross multiply
    10,088.39x = 15,132.54 × 2,591.94
  4. Step 4: Simplify right side
    10,088.39x = 39,222,635.73
  5. Step 5: Solve for x
    x = 39,222,635.73/10,088.39
  6. Step 6: Final answer
    x = 3,887.90

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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.