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Finding the Fourth Proportional to 10,965.75, 16,448.67 and 2,757.75

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Solution

The fourth proportional to 10,965.75, 16,448.67 and 2,757.75 is: 4,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.75 : 16,448.67 = 2,757.75 : x
  2. Step 2: Convert to fraction form
    10,965.75/16,448.67 = 2,757.75/x
  3. Step 3: Cross multiply
    10,965.75x = 16,448.67 × 2,757.75
  4. Step 4: Simplify right side
    10,965.75x = 45,361,319.69
  5. Step 5: Solve for x
    x = 45,361,319.69/10,965.75
  6. Step 6: Final answer
    x = 4,136.64

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