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Finding the Fourth Proportional to 18,348.47, 25,320.75 and 9,964.97

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Solution

The fourth proportional to 18,348.47, 25,320.75 and 9,964.97 is: 13,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.47 : 25,320.75 = 9,964.97 : x
  2. Step 2: Convert to fraction form
    18,348.47/25,320.75 = 9,964.97/x
  3. Step 3: Cross multiply
    18,348.47x = 25,320.75 × 9,964.97
  4. Step 4: Simplify right side
    18,348.47x = 252,320,643.59
  5. Step 5: Solve for x
    x = 252,320,643.59/18,348.47
  6. Step 6: Final answer
    x = 13,751.59

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