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Finding the Fourth Proportional to 13,656.52, 20,462.62 and 5,327.12

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Solution

The fourth proportional to 13,656.52, 20,462.62 and 5,327.12 is: 7,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.52 : 20,462.62 = 5,327.12 : x
  2. Step 2: Convert to fraction form
    13,656.52/20,462.62 = 5,327.12/x
  3. Step 3: Cross multiply
    13,656.52x = 20,462.62 × 5,327.12
  4. Step 4: Simplify right side
    13,656.52x = 109,006,832.25
  5. Step 5: Solve for x
    x = 109,006,832.25/13,656.52
  6. Step 6: Final answer
    x = 7,982.04

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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.