Home / 18,273.32-25,217.78-11,198.37

Finding the Fourth Proportional to 18,273.32, 25,217.78 and 11,198.37

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Solution

The fourth proportional to 18,273.32, 25,217.78 and 11,198.37 is: 15,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.32 : 25,217.78 = 11,198.37 : x
  2. Step 2: Convert to fraction form
    18,273.32/25,217.78 = 11,198.37/x
  3. Step 3: Cross multiply
    18,273.32x = 25,217.78 × 11,198.37
  4. Step 4: Simplify right side
    18,273.32x = 282,398,031.02
  5. Step 5: Solve for x
    x = 282,398,031.02/18,273.32
  6. Step 6: Final answer
    x = 15,454.12

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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.