Home / 22,721.07-34,079.18-7,930.28

Finding the Fourth Proportional to 22,721.07, 34,079.18 and 7,930.28

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Solution

The fourth proportional to 22,721.07, 34,079.18 and 7,930.28 is: 11,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.07 : 34,079.18 = 7,930.28 : x
  2. Step 2: Convert to fraction form
    22,721.07/34,079.18 = 7,930.28/x
  3. Step 3: Cross multiply
    22,721.07x = 34,079.18 × 7,930.28
  4. Step 4: Simplify right side
    22,721.07x = 270,257,229.52
  5. Step 5: Solve for x
    x = 270,257,229.52/22,721.07
  6. Step 6: Final answer
    x = 11,894.56

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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.