Home / 22,250.85-30,708.90-13,298.28

Finding the Fourth Proportional to 22,250.85, 30,708.90 and 13,298.28

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Solution

The fourth proportional to 22,250.85, 30,708.90 and 13,298.28 is: 18,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.85 : 30,708.90 = 13,298.28 : x
  2. Step 2: Convert to fraction form
    22,250.85/30,708.90 = 13,298.28/x
  3. Step 3: Cross multiply
    22,250.85x = 30,708.90 × 13,298.28
  4. Step 4: Simplify right side
    22,250.85x = 408,375,550.69
  5. Step 5: Solve for x
    x = 408,375,550.69/22,250.85
  6. Step 6: Final answer
    x = 18,353.26

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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.