Home / 13,655.22-20,481.44-4,295.31

Finding the Fourth Proportional to 13,655.22, 20,481.44 and 4,295.31

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Solution

The fourth proportional to 13,655.22, 20,481.44 and 4,295.31 is: 6,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.22 : 20,481.44 = 4,295.31 : x
  2. Step 2: Convert to fraction form
    13,655.22/20,481.44 = 4,295.31/x
  3. Step 3: Cross multiply
    13,655.22x = 20,481.44 × 4,295.31
  4. Step 4: Simplify right side
    13,655.22x = 87,974,112.57
  5. Step 5: Solve for x
    x = 87,974,112.57/13,655.22
  6. Step 6: Final answer
    x = 6,442.53

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