Home / 11,822.38-17,721.60-7,665.02

Finding the Fourth Proportional to 11,822.38, 17,721.60 and 7,665.02

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Solution

The fourth proportional to 11,822.38, 17,721.60 and 7,665.02 is: 11,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.38 : 17,721.60 = 7,665.02 : x
  2. Step 2: Convert to fraction form
    11,822.38/17,721.60 = 7,665.02/x
  3. Step 3: Cross multiply
    11,822.38x = 17,721.60 × 7,665.02
  4. Step 4: Simplify right side
    11,822.38x = 135,836,418.43
  5. Step 5: Solve for x
    x = 135,836,418.43/11,822.38
  6. Step 6: Final answer
    x = 11,489.77

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