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Finding the Fourth Proportional to 18,140.33, 27,214.71 and 5,659.68

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Solution

The fourth proportional to 18,140.33, 27,214.71 and 5,659.68 is: 8,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.33 : 27,214.71 = 5,659.68 : x
  2. Step 2: Convert to fraction form
    18,140.33/27,214.71 = 5,659.68/x
  3. Step 3: Cross multiply
    18,140.33x = 27,214.71 × 5,659.68
  4. Step 4: Simplify right side
    18,140.33x = 154,026,549.89
  5. Step 5: Solve for x
    x = 154,026,549.89/18,140.33
  6. Step 6: Final answer
    x = 8,490.84

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