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Finding the Fourth Proportional to 18,192.56, 27,299.31 and 7,661.75

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Solution

The fourth proportional to 18,192.56, 27,299.31 and 7,661.75 is: 11,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.56 : 27,299.31 = 7,661.75 : x
  2. Step 2: Convert to fraction form
    18,192.56/27,299.31 = 7,661.75/x
  3. Step 3: Cross multiply
    18,192.56x = 27,299.31 × 7,661.75
  4. Step 4: Simplify right side
    18,192.56x = 209,160,488.39
  5. Step 5: Solve for x
    x = 209,160,488.39/18,192.56
  6. Step 6: Final answer
    x = 11,497.03

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