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Finding the Fourth Proportional to 18,306.47, 25,263.08 and 9,922.97

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Solution

The fourth proportional to 18,306.47, 25,263.08 and 9,922.97 is: 13,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.47 : 25,263.08 = 9,922.97 : x
  2. Step 2: Convert to fraction form
    18,306.47/25,263.08 = 9,922.97/x
  3. Step 3: Cross multiply
    18,306.47x = 25,263.08 × 9,922.97
  4. Step 4: Simplify right side
    18,306.47x = 250,684,784.95
  5. Step 5: Solve for x
    x = 250,684,784.95/18,306.47
  6. Step 6: Final answer
    x = 13,693.78

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