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Finding the Fourth Proportional to 13,482.52, 20,223.16 and 5,166.44

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Solution

The fourth proportional to 13,482.52, 20,223.16 and 5,166.44 is: 7,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.52 : 20,223.16 = 5,166.44 : x
  2. Step 2: Convert to fraction form
    13,482.52/20,223.16 = 5,166.44/x
  3. Step 3: Cross multiply
    13,482.52x = 20,223.16 × 5,166.44
  4. Step 4: Simplify right side
    13,482.52x = 104,481,742.75
  5. Step 5: Solve for x
    x = 104,481,742.75/13,482.52
  6. Step 6: Final answer
    x = 7,749.42

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