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Finding the Fourth Proportional to 15,202.62, 22,811.49 and 8,534.97

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Solution

The fourth proportional to 15,202.62, 22,811.49 and 8,534.97 is: 12,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202.62 : 22,811.49 = 8,534.97 : x
  2. Step 2: Convert to fraction form
    15,202.62/22,811.49 = 8,534.97/x
  3. Step 3: Cross multiply
    15,202.62x = 22,811.49 × 8,534.97
  4. Step 4: Simplify right side
    15,202.62x = 194,695,382.81
  5. Step 5: Solve for x
    x = 194,695,382.81/15,202.62
  6. Step 6: Final answer
    x = 12,806.70

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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.