Home / 15,494.73-21,375.42-11,236.44

Finding the Fourth Proportional to 15,494.73, 21,375.42 and 11,236.44

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Solution

The fourth proportional to 15,494.73, 21,375.42 and 11,236.44 is: 15,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.73 : 21,375.42 = 11,236.44 : x
  2. Step 2: Convert to fraction form
    15,494.73/21,375.42 = 11,236.44/x
  3. Step 3: Cross multiply
    15,494.73x = 21,375.42 × 11,236.44
  4. Step 4: Simplify right side
    15,494.73x = 240,183,621.56
  5. Step 5: Solve for x
    x = 240,183,621.56/15,494.73
  6. Step 6: Final answer
    x = 15,500.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.