Home / 16,278.66-22,469.18-9,906.26

Finding the Fourth Proportional to 16,278.66, 22,469.18 and 9,906.26

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Solution

The fourth proportional to 16,278.66, 22,469.18 and 9,906.26 is: 13,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.66 : 22,469.18 = 9,906.26 : x
  2. Step 2: Convert to fraction form
    16,278.66/22,469.18 = 9,906.26/x
  3. Step 3: Cross multiply
    16,278.66x = 22,469.18 × 9,906.26
  4. Step 4: Simplify right side
    16,278.66x = 222,585,377.19
  5. Step 5: Solve for x
    x = 222,585,377.19/16,278.66
  6. Step 6: Final answer
    x = 13,673.45

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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.