Home / 13,763.96-20,645.90-3,903.24

Finding the Fourth Proportional to 13,763.96, 20,645.90 and 3,903.24

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Solution

The fourth proportional to 13,763.96, 20,645.90 and 3,903.24 is: 5,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.96 : 20,645.90 = 3,903.24 : x
  2. Step 2: Convert to fraction form
    13,763.96/20,645.90 = 3,903.24/x
  3. Step 3: Cross multiply
    13,763.96x = 20,645.90 × 3,903.24
  4. Step 4: Simplify right side
    13,763.96x = 80,585,902.72
  5. Step 5: Solve for x
    x = 80,585,902.72/13,763.96
  6. Step 6: Final answer
    x = 5,854.85

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Half scale
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Double scale
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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.