Home / 22,270.70-30,733.29-12,198.54

Finding the Fourth Proportional to 22,270.70, 30,733.29 and 12,198.54

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Solution

The fourth proportional to 22,270.70, 30,733.29 and 12,198.54 is: 16,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.70 : 30,733.29 = 12,198.54 : x
  2. Step 2: Convert to fraction form
    22,270.70/30,733.29 = 12,198.54/x
  3. Step 3: Cross multiply
    22,270.70x = 30,733.29 × 12,198.54
  4. Step 4: Simplify right side
    22,270.70x = 374,901,267.40
  5. Step 5: Solve for x
    x = 374,901,267.40/22,270.70
  6. Step 6: Final answer
    x = 16,833.83

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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.