Home / 18,387.92-25,375.44-10,004.48

Finding the Fourth Proportional to 18,387.92, 25,375.44 and 10,004.48

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Solution

The fourth proportional to 18,387.92, 25,375.44 and 10,004.48 is: 13,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,387.92 : 25,375.44 = 10,004.48 : x
  2. Step 2: Convert to fraction form
    18,387.92/25,375.44 = 10,004.48/x
  3. Step 3: Cross multiply
    18,387.92x = 25,375.44 × 10,004.48
  4. Step 4: Simplify right side
    18,387.92x = 253,868,081.97
  5. Step 5: Solve for x
    x = 253,868,081.97/18,387.92
  6. Step 6: Final answer
    x = 13,806.24

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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.