Home / 22,781.07-34,171.40-7,198.70

Finding the Fourth Proportional to 22,781.07, 34,171.40 and 7,198.70

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Solution

The fourth proportional to 22,781.07, 34,171.40 and 7,198.70 is: 10,797.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,781.07 : 34,171.40 = 7,198.70 : x
  2. Step 2: Convert to fraction form
    22,781.07/34,171.40 = 7,198.70/x
  3. Step 3: Cross multiply
    22,781.07x = 34,171.40 × 7,198.70
  4. Step 4: Simplify right side
    22,781.07x = 245,989,450.33
  5. Step 5: Solve for x
    x = 245,989,450.33/22,781.07
  6. Step 6: Final answer
    x = 10,797.98

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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.