Home / 15,132.44-20,882.22-8,417.92

Finding the Fourth Proportional to 15,132.44, 20,882.22 and 8,417.92

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Solution

The fourth proportional to 15,132.44, 20,882.22 and 8,417.92 is: 11,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.44 : 20,882.22 = 8,417.92 : x
  2. Step 2: Convert to fraction form
    15,132.44/20,882.22 = 8,417.92/x
  3. Step 3: Cross multiply
    15,132.44x = 20,882.22 × 8,417.92
  4. Step 4: Simplify right side
    15,132.44x = 175,784,857.38
  5. Step 5: Solve for x
    x = 175,784,857.38/15,132.44
  6. Step 6: Final answer
    x = 11,616.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.