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Finding the Fourth Proportional to 18,098.46, 27,147.29 and 8,240.36

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Solution

The fourth proportional to 18,098.46, 27,147.29 and 8,240.36 is: 12,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.46 : 27,147.29 = 8,240.36 : x
  2. Step 2: Convert to fraction form
    18,098.46/27,147.29 = 8,240.36/x
  3. Step 3: Cross multiply
    18,098.46x = 27,147.29 × 8,240.36
  4. Step 4: Simplify right side
    18,098.46x = 223,703,265.69
  5. Step 5: Solve for x
    x = 223,703,265.69/18,098.46
  6. Step 6: Final answer
    x = 12,360.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.