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Finding the Fourth Proportional to 13,673.22, 20,510.64 and 3,679.44

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Solution

The fourth proportional to 13,673.22, 20,510.64 and 3,679.44 is: 5,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.22 : 20,510.64 = 3,679.44 : x
  2. Step 2: Convert to fraction form
    13,673.22/20,510.64 = 3,679.44/x
  3. Step 3: Cross multiply
    13,673.22x = 20,510.64 × 3,679.44
  4. Step 4: Simplify right side
    13,673.22x = 75,467,669.24
  5. Step 5: Solve for x
    x = 75,467,669.24/13,673.22
  6. Step 6: Final answer
    x = 5,519.38

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