Home / 13,974.50-20,961.76-3,586.26

Finding the Fourth Proportional to 13,974.50, 20,961.76 and 3,586.26

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Solution

The fourth proportional to 13,974.50, 20,961.76 and 3,586.26 is: 5,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.50 : 20,961.76 = 3,586.26 : x
  2. Step 2: Convert to fraction form
    13,974.50/20,961.76 = 3,586.26/x
  3. Step 3: Cross multiply
    13,974.50x = 20,961.76 × 3,586.26
  4. Step 4: Simplify right side
    13,974.50x = 75,174,321.42
  5. Step 5: Solve for x
    x = 75,174,321.42/13,974.50
  6. Step 6: Final answer
    x = 5,379.39

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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.