Home / 22,239.75-30,691.24-12,169.07

Finding the Fourth Proportional to 22,239.75, 30,691.24 and 12,169.07

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Solution

The fourth proportional to 22,239.75, 30,691.24 and 12,169.07 is: 16,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.75 : 30,691.24 = 12,169.07 : x
  2. Step 2: Convert to fraction form
    22,239.75/30,691.24 = 12,169.07/x
  3. Step 3: Cross multiply
    22,239.75x = 30,691.24 × 12,169.07
  4. Step 4: Simplify right side
    22,239.75x = 373,483,991.48
  5. Step 5: Solve for x
    x = 373,483,991.48/22,239.75
  6. Step 6: Final answer
    x = 16,793.53

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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.