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Finding the Fourth Proportional to 11,954.52, 17,912.34 and 9,475.92

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Solution

The fourth proportional to 11,954.52, 17,912.34 and 9,475.92 is: 14,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.52 : 17,912.34 = 9,475.92 : x
  2. Step 2: Convert to fraction form
    11,954.52/17,912.34 = 9,475.92/x
  3. Step 3: Cross multiply
    11,954.52x = 17,912.34 × 9,475.92
  4. Step 4: Simplify right side
    11,954.52x = 169,735,900.85
  5. Step 5: Solve for x
    x = 169,735,900.85/11,954.52
  6. Step 6: Final answer
    x = 14,198.47

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Why These Related Problems?

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