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Finding the Fourth Proportional to 18,658.53, 25,747.61 and 10,275.03

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Solution

The fourth proportional to 18,658.53, 25,747.61 and 10,275.03 is: 14,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,658.53 : 25,747.61 = 10,275.03 : x
  2. Step 2: Convert to fraction form
    18,658.53/25,747.61 = 10,275.03/x
  3. Step 3: Cross multiply
    18,658.53x = 25,747.61 × 10,275.03
  4. Step 4: Simplify right side
    18,658.53x = 264,557,413.80
  5. Step 5: Solve for x
    x = 264,557,413.80/18,658.53
  6. Step 6: Final answer
    x = 14,178.90

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