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Finding the Fourth Proportional to 13,463.82, 20,182.77 and 7,219.26

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Solution

The fourth proportional to 13,463.82, 20,182.77 and 7,219.26 is: 10,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.82 : 20,182.77 = 7,219.26 : x
  2. Step 2: Convert to fraction form
    13,463.82/20,182.77 = 7,219.26/x
  3. Step 3: Cross multiply
    13,463.82x = 20,182.77 × 7,219.26
  4. Step 4: Simplify right side
    13,463.82x = 145,704,664.15
  5. Step 5: Solve for x
    x = 145,704,664.15/13,463.82
  6. Step 6: Final answer
    x = 10,821.94

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