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Finding the Fourth Proportional to 12,254.67, 18,380.97 and 3,932.42

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Solution

The fourth proportional to 12,254.67, 18,380.97 and 3,932.42 is: 5,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.67 : 18,380.97 = 3,932.42 : x
  2. Step 2: Convert to fraction form
    12,254.67/18,380.97 = 3,932.42/x
  3. Step 3: Cross multiply
    12,254.67x = 18,380.97 × 3,932.42
  4. Step 4: Simplify right side
    12,254.67x = 72,281,740.00
  5. Step 5: Solve for x
    x = 72,281,740.00/12,254.67
  6. Step 6: Final answer
    x = 5,898.30

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