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Finding the Fourth Proportional to 10,865.52, 16,295.84 and 5,021.28

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Solution

The fourth proportional to 10,865.52, 16,295.84 and 5,021.28 is: 7,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.52 : 16,295.84 = 5,021.28 : x
  2. Step 2: Convert to fraction form
    10,865.52/16,295.84 = 5,021.28/x
  3. Step 3: Cross multiply
    10,865.52x = 16,295.84 × 5,021.28
  4. Step 4: Simplify right side
    10,865.52x = 81,825,975.48
  5. Step 5: Solve for x
    x = 81,825,975.48/10,865.52
  6. Step 6: Final answer
    x = 7,530.79

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