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Finding the Fourth Proportional to 10,969.70, 16,458.19 and 7,286.42

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Solution

The fourth proportional to 10,969.70, 16,458.19 and 7,286.42 is: 10,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.70 : 16,458.19 = 7,286.42 : x
  2. Step 2: Convert to fraction form
    10,969.70/16,458.19 = 7,286.42/x
  3. Step 3: Cross multiply
    10,969.70x = 16,458.19 × 7,286.42
  4. Step 4: Simplify right side
    10,969.70x = 119,921,307.71
  5. Step 5: Solve for x
    x = 119,921,307.71/10,969.70
  6. Step 6: Final answer
    x = 10,932.05

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