Home / 22,205.14-33,306.79-12,338.13

Finding the Fourth Proportional to 22,205.14, 33,306.79 and 12,338.13

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Solution

The fourth proportional to 22,205.14, 33,306.79 and 12,338.13 is: 18,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.14 : 33,306.79 = 12,338.13 : x
  2. Step 2: Convert to fraction form
    22,205.14/33,306.79 = 12,338.13/x
  3. Step 3: Cross multiply
    22,205.14x = 33,306.79 × 12,338.13
  4. Step 4: Simplify right side
    22,205.14x = 410,943,504.90
  5. Step 5: Solve for x
    x = 410,943,504.90/22,205.14
  6. Step 6: Final answer
    x = 18,506.68

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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.