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Finding the Fourth Proportional to 8,496.24, 12,687.90 and 8,404.80

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Solution

The fourth proportional to 8,496.24, 12,687.90 and 8,404.80 is: 12,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.24 : 12,687.90 = 8,404.80 : x
  2. Step 2: Convert to fraction form
    8,496.24/12,687.90 = 8,404.80/x
  3. Step 3: Cross multiply
    8,496.24x = 12,687.90 × 8,404.80
  4. Step 4: Simplify right side
    8,496.24x = 106,639,261.92
  5. Step 5: Solve for x
    x = 106,639,261.92/8,496.24
  6. Step 6: Final answer
    x = 12,551.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.