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Finding the Fourth Proportional to 13,952.52, 20,930.72 and 4,092.52

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Solution

The fourth proportional to 13,952.52, 20,930.72 and 4,092.52 is: 6,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.52 : 20,930.72 = 4,092.52 : x
  2. Step 2: Convert to fraction form
    13,952.52/20,930.72 = 4,092.52/x
  3. Step 3: Cross multiply
    13,952.52x = 20,930.72 × 4,092.52
  4. Step 4: Simplify right side
    13,952.52x = 85,659,390.21
  5. Step 5: Solve for x
    x = 85,659,390.21/13,952.52
  6. Step 6: Final answer
    x = 6,139.35

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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.