Home / 13,959.26-20,938.90-5,193.04

Finding the Fourth Proportional to 13,959.26, 20,938.90 and 5,193.04

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Solution

The fourth proportional to 13,959.26, 20,938.90 and 5,193.04 is: 7,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.26 : 20,938.90 = 5,193.04 : x
  2. Step 2: Convert to fraction form
    13,959.26/20,938.90 = 5,193.04/x
  3. Step 3: Cross multiply
    13,959.26x = 20,938.90 × 5,193.04
  4. Step 4: Simplify right side
    13,959.26x = 108,736,545.26
  5. Step 5: Solve for x
    x = 108,736,545.26/13,959.26
  6. Step 6: Final answer
    x = 7,789.56

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Similar ratio
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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.