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Finding the Fourth Proportional to 18,713.63, 28,049.25 and 6,230.72

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Solution

The fourth proportional to 18,713.63, 28,049.25 and 6,230.72 is: 9,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.63 : 28,049.25 = 6,230.72 : x
  2. Step 2: Convert to fraction form
    18,713.63/28,049.25 = 6,230.72/x
  3. Step 3: Cross multiply
    18,713.63x = 28,049.25 × 6,230.72
  4. Step 4: Simplify right side
    18,713.63x = 174,767,022.96
  5. Step 5: Solve for x
    x = 174,767,022.96/18,713.63
  6. Step 6: Final answer
    x = 9,339.02

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