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Finding the Fourth Proportional to 16,513.82, 22,781.70 and 9,799.74

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Solution

The fourth proportional to 16,513.82, 22,781.70 and 9,799.74 is: 13,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.82 : 22,781.70 = 9,799.74 : x
  2. Step 2: Convert to fraction form
    16,513.82/22,781.70 = 9,799.74/x
  3. Step 3: Cross multiply
    16,513.82x = 22,781.70 × 9,799.74
  4. Step 4: Simplify right side
    16,513.82x = 223,254,736.76
  5. Step 5: Solve for x
    x = 223,254,736.76/16,513.82
  6. Step 6: Final answer
    x = 13,519.27

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