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Finding the Fourth Proportional to 12,248.97, 18,374.67 and 3,926.90

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Solution

The fourth proportional to 12,248.97, 18,374.67 and 3,926.90 is: 5,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.97 : 18,374.67 = 3,926.90 : x
  2. Step 2: Convert to fraction form
    12,248.97/18,374.67 = 3,926.90/x
  3. Step 3: Cross multiply
    12,248.97x = 18,374.67 × 3,926.90
  4. Step 4: Simplify right side
    12,248.97x = 72,155,399.75
  5. Step 5: Solve for x
    x = 72,155,399.75/12,248.97
  6. Step 6: Final answer
    x = 5,890.73

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