Home / 13,829.32-20,743.98-3,441.08

Finding the Fourth Proportional to 13,829.32, 20,743.98 and 3,441.08

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Solution

The fourth proportional to 13,829.32, 20,743.98 and 3,441.08 is: 5,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.32 : 20,743.98 = 3,441.08 : x
  2. Step 2: Convert to fraction form
    13,829.32/20,743.98 = 3,441.08/x
  3. Step 3: Cross multiply
    13,829.32x = 20,743.98 × 3,441.08
  4. Step 4: Simplify right side
    13,829.32x = 71,381,694.70
  5. Step 5: Solve for x
    x = 71,381,694.70/13,829.32
  6. Step 6: Final answer
    x = 5,161.62

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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.