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Finding the Fourth Proportional to 13,996.74, 20,983.77 and 5,230.38

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Solution

The fourth proportional to 13,996.74, 20,983.77 and 5,230.38 is: 7,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.74 : 20,983.77 = 5,230.38 : x
  2. Step 2: Convert to fraction form
    13,996.74/20,983.77 = 5,230.38/x
  3. Step 3: Cross multiply
    13,996.74x = 20,983.77 × 5,230.38
  4. Step 4: Simplify right side
    13,996.74x = 109,753,090.93
  5. Step 5: Solve for x
    x = 109,753,090.93/13,996.74
  6. Step 6: Final answer
    x = 7,841.33

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