Home / 22,436.27-30,961.90-12,227.28

Finding the Fourth Proportional to 22,436.27, 30,961.90 and 12,227.28

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Solution

The fourth proportional to 22,436.27, 30,961.90 and 12,227.28 is: 16,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.27 : 30,961.90 = 12,227.28 : x
  2. Step 2: Convert to fraction form
    22,436.27/30,961.90 = 12,227.28/x
  3. Step 3: Cross multiply
    22,436.27x = 30,961.90 × 12,227.28
  4. Step 4: Simplify right side
    22,436.27x = 378,579,841.28
  5. Step 5: Solve for x
    x = 378,579,841.28/22,436.27
  6. Step 6: Final answer
    x = 16,873.57

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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.