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Finding the Fourth Proportional to 18,347.58, 25,319.80 and 9,964.08

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Solution

The fourth proportional to 18,347.58, 25,319.80 and 9,964.08 is: 13,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.58 : 25,319.80 = 9,964.08 : x
  2. Step 2: Convert to fraction form
    18,347.58/25,319.80 = 9,964.08/x
  3. Step 3: Cross multiply
    18,347.58x = 25,319.80 × 9,964.08
  4. Step 4: Simplify right side
    18,347.58x = 252,288,512.78
  5. Step 5: Solve for x
    x = 252,288,512.78/18,347.58
  6. Step 6: Final answer
    x = 13,750.51

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