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Finding the Fourth Proportional to 11,381.52, 17,082.95 and 7,007.52

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Solution

The fourth proportional to 11,381.52, 17,082.95 and 7,007.52 is: 10,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.52 : 17,082.95 = 7,007.52 : x
  2. Step 2: Convert to fraction form
    11,381.52/17,082.95 = 7,007.52/x
  3. Step 3: Cross multiply
    11,381.52x = 17,082.95 × 7,007.52
  4. Step 4: Simplify right side
    11,381.52x = 119,709,078.75
  5. Step 5: Solve for x
    x = 119,709,078.75/11,381.52
  6. Step 6: Final answer
    x = 10,517.85

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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.