Home / 13,654.44-20,481.64-4,295.28

Finding the Fourth Proportional to 13,654.44, 20,481.64 and 4,295.28

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Solution

The fourth proportional to 13,654.44, 20,481.64 and 4,295.28 is: 6,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.44 : 20,481.64 = 4,295.28 : x
  2. Step 2: Convert to fraction form
    13,654.44/20,481.64 = 4,295.28/x
  3. Step 3: Cross multiply
    13,654.44x = 20,481.64 × 4,295.28
  4. Step 4: Simplify right side
    13,654.44x = 87,974,378.66
  5. Step 5: Solve for x
    x = 87,974,378.66/13,654.44
  6. Step 6: Final answer
    x = 6,442.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.