Home / 15,500.20-23,250.30-13,556.20

Finding the Fourth Proportional to 15,500.20, 23,250.30 and 13,556.20

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Solution

The fourth proportional to 15,500.20, 23,250.30 and 13,556.20 is: 20,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.20 : 23,250.30 = 13,556.20 : x
  2. Step 2: Convert to fraction form
    15,500.20/23,250.30 = 13,556.20/x
  3. Step 3: Cross multiply
    15,500.20x = 23,250.30 × 13,556.20
  4. Step 4: Simplify right side
    15,500.20x = 315,185,716.86
  5. Step 5: Solve for x
    x = 315,185,716.86/15,500.20
  6. Step 6: Final answer
    x = 20,334.30

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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.