Home / 13,330.80-19,996.20-3,469.24

Finding the Fourth Proportional to 13,330.80, 19,996.20 and 3,469.24

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Solution

The fourth proportional to 13,330.80, 19,996.20 and 3,469.24 is: 5,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.80 : 19,996.20 = 3,469.24 : x
  2. Step 2: Convert to fraction form
    13,330.80/19,996.20 = 3,469.24/x
  3. Step 3: Cross multiply
    13,330.80x = 19,996.20 × 3,469.24
  4. Step 4: Simplify right side
    13,330.80x = 69,371,616.89
  5. Step 5: Solve for x
    x = 69,371,616.89/13,330.80
  6. Step 6: Final answer
    x = 5,203.86

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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.