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Finding the Fourth Proportional to 18,158.22, 27,211.80 and 14,443.98

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Solution

The fourth proportional to 18,158.22, 27,211.80 and 14,443.98 is: 21,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.22 : 27,211.80 = 14,443.98 : x
  2. Step 2: Convert to fraction form
    18,158.22/27,211.80 = 14,443.98/x
  3. Step 3: Cross multiply
    18,158.22x = 27,211.80 × 14,443.98
  4. Step 4: Simplify right side
    18,158.22x = 393,046,694.96
  5. Step 5: Solve for x
    x = 393,046,694.96/18,158.22
  6. Step 6: Final answer
    x = 21,645.66

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