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Finding the Fourth Proportional to 17,815.80, 26,703.02 and 6,715.38

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Solution

The fourth proportional to 17,815.80, 26,703.02 and 6,715.38 is: 10,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.80 : 26,703.02 = 6,715.38 : x
  2. Step 2: Convert to fraction form
    17,815.80/26,703.02 = 6,715.38/x
  3. Step 3: Cross multiply
    17,815.80x = 26,703.02 × 6,715.38
  4. Step 4: Simplify right side
    17,815.80x = 179,320,926.45
  5. Step 5: Solve for x
    x = 179,320,926.45/17,815.80
  6. Step 6: Final answer
    x = 10,065.28

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