Home / 22,712.20-34,073.75-7,129.82

Finding the Fourth Proportional to 22,712.20, 34,073.75 and 7,129.82

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Solution

The fourth proportional to 22,712.20, 34,073.75 and 7,129.82 is: 10,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.20 : 34,073.75 = 7,129.82 : x
  2. Step 2: Convert to fraction form
    22,712.20/34,073.75 = 7,129.82/x
  3. Step 3: Cross multiply
    22,712.20x = 34,073.75 × 7,129.82
  4. Step 4: Simplify right side
    22,712.20x = 242,939,704.23
  5. Step 5: Solve for x
    x = 242,939,704.23/22,712.20
  6. Step 6: Final answer
    x = 10,696.44

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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.