Home / 11,930.55-17,892.17-5,687.27

Finding the Fourth Proportional to 11,930.55, 17,892.17 and 5,687.27

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Solution

The fourth proportional to 11,930.55, 17,892.17 and 5,687.27 is: 8,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.55 : 17,892.17 = 5,687.27 : x
  2. Step 2: Convert to fraction form
    11,930.55/17,892.17 = 5,687.27/x
  3. Step 3: Cross multiply
    11,930.55x = 17,892.17 × 5,687.27
  4. Step 4: Simplify right side
    11,930.55x = 101,757,601.68
  5. Step 5: Solve for x
    x = 101,757,601.68/11,930.55
  6. Step 6: Final answer
    x = 8,529.16

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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.