Home / 13,657.98-20,481.12-5,764.02

Finding the Fourth Proportional to 13,657.98, 20,481.12 and 5,764.02

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Solution

The fourth proportional to 13,657.98, 20,481.12 and 5,764.02 is: 8,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.98 : 20,481.12 = 5,764.02 : x
  2. Step 2: Convert to fraction form
    13,657.98/20,481.12 = 5,764.02/x
  3. Step 3: Cross multiply
    13,657.98x = 20,481.12 × 5,764.02
  4. Step 4: Simplify right side
    13,657.98x = 118,053,585.30
  5. Step 5: Solve for x
    x = 118,053,585.30/13,657.98
  6. Step 6: Final answer
    x = 8,643.56

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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.