Home / 22,293.33-30,764.13-12,221.43

Finding the Fourth Proportional to 22,293.33, 30,764.13 and 12,221.43

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Solution

The fourth proportional to 22,293.33, 30,764.13 and 12,221.43 is: 16,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.33 : 30,764.13 = 12,221.43 : x
  2. Step 2: Convert to fraction form
    22,293.33/30,764.13 = 12,221.43/x
  3. Step 3: Cross multiply
    22,293.33x = 30,764.13 × 12,221.43
  4. Step 4: Simplify right side
    22,293.33x = 375,981,599.67
  5. Step 5: Solve for x
    x = 375,981,599.67/22,293.33
  6. Step 6: Final answer
    x = 16,865.20

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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.