Home / 22,780.57-34,170.65-7,198.20

Finding the Fourth Proportional to 22,780.57, 34,170.65 and 7,198.20

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Solution

The fourth proportional to 22,780.57, 34,170.65 and 7,198.20 is: 10,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,780.57 : 34,170.65 = 7,198.20 : x
  2. Step 2: Convert to fraction form
    22,780.57/34,170.65 = 7,198.20/x
  3. Step 3: Cross multiply
    22,780.57x = 34,170.65 × 7,198.20
  4. Step 4: Simplify right side
    22,780.57x = 245,967,172.83
  5. Step 5: Solve for x
    x = 245,967,172.83/22,780.57
  6. Step 6: Final answer
    x = 10,797.24

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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.