Home / 22,972.20-34,442.09-8,920.52

Finding the Fourth Proportional to 22,972.20, 34,442.09 and 8,920.52

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Solution

The fourth proportional to 22,972.20, 34,442.09 and 8,920.52 is: 13,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.20 : 34,442.09 = 8,920.52 : x
  2. Step 2: Convert to fraction form
    22,972.20/34,442.09 = 8,920.52/x
  3. Step 3: Cross multiply
    22,972.20x = 34,442.09 × 8,920.52
  4. Step 4: Simplify right side
    22,972.20x = 307,241,348.66
  5. Step 5: Solve for x
    x = 307,241,348.66/22,972.20
  6. Step 6: Final answer
    x = 13,374.49

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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.