Home / 20,249.15-30,382.97-10,395.36

Finding the Fourth Proportional to 20,249.15, 30,382.97 and 10,395.36

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Solution

The fourth proportional to 20,249.15, 30,382.97 and 10,395.36 is: 15,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.15 : 30,382.97 = 10,395.36 : x
  2. Step 2: Convert to fraction form
    20,249.15/30,382.97 = 10,395.36/x
  3. Step 3: Cross multiply
    20,249.15x = 30,382.97 × 10,395.36
  4. Step 4: Simplify right side
    20,249.15x = 315,841,859.04
  5. Step 5: Solve for x
    x = 315,841,859.04/20,249.15
  6. Step 6: Final answer
    x = 15,597.78

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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.