Home / 13,227.26-19,840.90-3,993.26

Finding the Fourth Proportional to 13,227.26, 19,840.90 and 3,993.26

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Solution

The fourth proportional to 13,227.26, 19,840.90 and 3,993.26 is: 5,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.26 : 19,840.90 = 3,993.26 : x
  2. Step 2: Convert to fraction form
    13,227.26/19,840.90 = 3,993.26/x
  3. Step 3: Cross multiply
    13,227.26x = 19,840.90 × 3,993.26
  4. Step 4: Simplify right side
    13,227.26x = 79,229,872.33
  5. Step 5: Solve for x
    x = 79,229,872.33/13,227.26
  6. Step 6: Final answer
    x = 5,989.89

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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.