Home / 22,193.92-30,626.40-12,122.20

Finding the Fourth Proportional to 22,193.92, 30,626.40 and 12,122.20

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Solution

The fourth proportional to 22,193.92, 30,626.40 and 12,122.20 is: 16,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.92 : 30,626.40 = 12,122.20 : x
  2. Step 2: Convert to fraction form
    22,193.92/30,626.40 = 12,122.20/x
  3. Step 3: Cross multiply
    22,193.92x = 30,626.40 × 12,122.20
  4. Step 4: Simplify right side
    22,193.92x = 371,259,346.08
  5. Step 5: Solve for x
    x = 371,259,346.08/22,193.92
  6. Step 6: Final answer
    x = 16,727.98

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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.