Home / 22,682.73-31,306.28-13,121.49

Finding the Fourth Proportional to 22,682.73, 31,306.28 and 13,121.49

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Solution

The fourth proportional to 22,682.73, 31,306.28 and 13,121.49 is: 18,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.73 : 31,306.28 = 13,121.49 : x
  2. Step 2: Convert to fraction form
    22,682.73/31,306.28 = 13,121.49/x
  3. Step 3: Cross multiply
    22,682.73x = 31,306.28 × 13,121.49
  4. Step 4: Simplify right side
    22,682.73x = 410,785,039.96
  5. Step 5: Solve for x
    x = 410,785,039.96/22,682.73
  6. Step 6: Final answer
    x = 18,110.04

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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.