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Finding the Fourth Proportional to 8,773.24, 13,147.44 and 7,731.04

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Solution

The fourth proportional to 8,773.24, 13,147.44 and 7,731.04 is: 11,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.24 : 13,147.44 = 7,731.04 : x
  2. Step 2: Convert to fraction form
    8,773.24/13,147.44 = 7,731.04/x
  3. Step 3: Cross multiply
    8,773.24x = 13,147.44 × 7,731.04
  4. Step 4: Simplify right side
    8,773.24x = 101,643,384.54
  5. Step 5: Solve for x
    x = 101,643,384.54/8,773.24
  6. Step 6: Final answer
    x = 11,585.62

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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.