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Finding the Fourth Proportional to 9,474.86, 14,206.20 and 3,932.03

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Solution

The fourth proportional to 9,474.86, 14,206.20 and 3,932.03 is: 5,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,474.86 : 14,206.20 = 3,932.03 : x
  2. Step 2: Convert to fraction form
    9,474.86/14,206.20 = 3,932.03/x
  3. Step 3: Cross multiply
    9,474.86x = 14,206.20 × 3,932.03
  4. Step 4: Simplify right side
    9,474.86x = 55,859,133.56
  5. Step 5: Solve for x
    x = 55,859,133.56/9,474.86
  6. Step 6: Final answer
    x = 5,895.51

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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.