Home / 15,003.55-22,505.33-3,910.21

Finding the Fourth Proportional to 15,003.55, 22,505.33 and 3,910.21

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Solution

The fourth proportional to 15,003.55, 22,505.33 and 3,910.21 is: 5,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.55 : 22,505.33 = 3,910.21 : x
  2. Step 2: Convert to fraction form
    15,003.55/22,505.33 = 3,910.21/x
  3. Step 3: Cross multiply
    15,003.55x = 22,505.33 × 3,910.21
  4. Step 4: Simplify right side
    15,003.55x = 88,000,566.42
  5. Step 5: Solve for x
    x = 88,000,566.42/15,003.55
  6. Step 6: Final answer
    x = 5,865.32

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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.