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Finding the Fourth Proportional to 19,872.29, 29,789.91 and 6,715.46

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Solution

The fourth proportional to 19,872.29, 29,789.91 and 6,715.46 is: 10,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872.29 : 29,789.91 = 6,715.46 : x
  2. Step 2: Convert to fraction form
    19,872.29/29,789.91 = 6,715.46/x
  3. Step 3: Cross multiply
    19,872.29x = 29,789.91 × 6,715.46
  4. Step 4: Simplify right side
    19,872.29x = 200,053,069.12
  5. Step 5: Solve for x
    x = 200,053,069.12/19,872.29
  6. Step 6: Final answer
    x = 10,066.93

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