Home / 13,633.44-20,450.15-3,772.71

Finding the Fourth Proportional to 13,633.44, 20,450.15 and 3,772.71

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Solution

The fourth proportional to 13,633.44, 20,450.15 and 3,772.71 is: 5,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.44 : 20,450.15 = 3,772.71 : x
  2. Step 2: Convert to fraction form
    13,633.44/20,450.15 = 3,772.71/x
  3. Step 3: Cross multiply
    13,633.44x = 20,450.15 × 3,772.71
  4. Step 4: Simplify right side
    13,633.44x = 77,152,559.43
  5. Step 5: Solve for x
    x = 77,152,559.43/13,633.44
  6. Step 6: Final answer
    x = 5,659.07

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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.