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Finding the Fourth Proportional to 16,798.85, 25,190.97 and 5,109.33

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Solution

The fourth proportional to 16,798.85, 25,190.97 and 5,109.33 is: 7,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.85 : 25,190.97 = 5,109.33 : x
  2. Step 2: Convert to fraction form
    16,798.85/25,190.97 = 5,109.33/x
  3. Step 3: Cross multiply
    16,798.85x = 25,190.97 × 5,109.33
  4. Step 4: Simplify right side
    16,798.85x = 128,708,978.75
  5. Step 5: Solve for x
    x = 128,708,978.75/16,798.85
  6. Step 6: Final answer
    x = 7,661.78

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