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Finding the Fourth Proportional to 13,596.97, 20,403.53 and 7,356.85

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Solution

The fourth proportional to 13,596.97, 20,403.53 and 7,356.85 is: 11,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.97 : 20,403.53 = 7,356.85 : x
  2. Step 2: Convert to fraction form
    13,596.97/20,403.53 = 7,356.85/x
  3. Step 3: Cross multiply
    13,596.97x = 20,403.53 × 7,356.85
  4. Step 4: Simplify right side
    13,596.97x = 150,105,709.68
  5. Step 5: Solve for x
    x = 150,105,709.68/13,596.97
  6. Step 6: Final answer
    x = 11,039.64

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