Home / 15,490.80-23,236.20-11,149.20

Finding the Fourth Proportional to 15,490.80, 23,236.20 and 11,149.20

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Solution

The fourth proportional to 15,490.80, 23,236.20 and 11,149.20 is: 16,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.80 : 23,236.20 = 11,149.20 : x
  2. Step 2: Convert to fraction form
    15,490.80/23,236.20 = 11,149.20/x
  3. Step 3: Cross multiply
    15,490.80x = 23,236.20 × 11,149.20
  4. Step 4: Simplify right side
    15,490.80x = 259,065,041.04
  5. Step 5: Solve for x
    x = 259,065,041.04/15,490.80
  6. Step 6: Final answer
    x = 16,723.80

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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.