Home / 13,573.85-20,360.76-3,713.22

Finding the Fourth Proportional to 13,573.85, 20,360.76 and 3,713.22

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Solution

The fourth proportional to 13,573.85, 20,360.76 and 3,713.22 is: 5,569.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.85 : 20,360.76 = 3,713.22 : x
  2. Step 2: Convert to fraction form
    13,573.85/20,360.76 = 3,713.22/x
  3. Step 3: Cross multiply
    13,573.85x = 20,360.76 × 3,713.22
  4. Step 4: Simplify right side
    13,573.85x = 75,603,981.25
  5. Step 5: Solve for x
    x = 75,603,981.25/13,573.85
  6. Step 6: Final answer
    x = 5,569.83

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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.