Home / 22,660.66-34,012.59-13,912.66

Finding the Fourth Proportional to 22,660.66, 34,012.59 and 13,912.66

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Solution

The fourth proportional to 22,660.66, 34,012.59 and 13,912.66 is: 20,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.66 : 34,012.59 = 13,912.66 : x
  2. Step 2: Convert to fraction form
    22,660.66/34,012.59 = 13,912.66/x
  3. Step 3: Cross multiply
    22,660.66x = 34,012.59 × 13,912.66
  4. Step 4: Simplify right side
    22,660.66x = 473,205,600.39
  5. Step 5: Solve for x
    x = 473,205,600.39/22,660.66
  6. Step 6: Final answer
    x = 20,882.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.