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Finding the Fourth Proportional to 18,659.12, 25,749.24 and 10,275.44

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Solution

The fourth proportional to 18,659.12, 25,749.24 and 10,275.44 is: 14,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.12 : 25,749.24 = 10,275.44 : x
  2. Step 2: Convert to fraction form
    18,659.12/25,749.24 = 10,275.44/x
  3. Step 3: Cross multiply
    18,659.12x = 25,749.24 × 10,275.44
  4. Step 4: Simplify right side
    18,659.12x = 264,584,770.67
  5. Step 5: Solve for x
    x = 264,584,770.67/18,659.12
  6. Step 6: Final answer
    x = 14,179.92

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