Home / 13,342.19-20,013.64-3,481.25

Finding the Fourth Proportional to 13,342.19, 20,013.64 and 3,481.25

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Solution

The fourth proportional to 13,342.19, 20,013.64 and 3,481.25 is: 5,221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.19 : 20,013.64 = 3,481.25 : x
  2. Step 2: Convert to fraction form
    13,342.19/20,013.64 = 3,481.25/x
  3. Step 3: Cross multiply
    13,342.19x = 20,013.64 × 3,481.25
  4. Step 4: Simplify right side
    13,342.19x = 69,672,375.48
  5. Step 5: Solve for x
    x = 69,672,375.48/13,342.19
  6. Step 6: Final answer
    x = 5,221.96

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1.5x scale

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.