Home / 13,626.83-20,440.25-3,766.12

Finding the Fourth Proportional to 13,626.83, 20,440.25 and 3,766.12

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Solution

The fourth proportional to 13,626.83, 20,440.25 and 3,766.12 is: 5,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.83 : 20,440.25 = 3,766.12 : x
  2. Step 2: Convert to fraction form
    13,626.83/20,440.25 = 3,766.12/x
  3. Step 3: Cross multiply
    13,626.83x = 20,440.25 × 3,766.12
  4. Step 4: Simplify right side
    13,626.83x = 76,980,434.33
  5. Step 5: Solve for x
    x = 76,980,434.33/13,626.83
  6. Step 6: Final answer
    x = 5,649.18

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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.