Home / 16,278.83-22,466.85-9,109.15

Finding the Fourth Proportional to 16,278.83, 22,466.85 and 9,109.15

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Solution

The fourth proportional to 16,278.83, 22,466.85 and 9,109.15 is: 12,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.83 : 22,466.85 = 9,109.15 : x
  2. Step 2: Convert to fraction form
    16,278.83/22,466.85 = 9,109.15/x
  3. Step 3: Cross multiply
    16,278.83x = 22,466.85 × 9,109.15
  4. Step 4: Simplify right side
    16,278.83x = 204,653,906.68
  5. Step 5: Solve for x
    x = 204,653,906.68/16,278.83
  6. Step 6: Final answer
    x = 12,571.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.