Home / 16,874.39-23,286.55-9,321.21

Finding the Fourth Proportional to 16,874.39, 23,286.55 and 9,321.21

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Solution

The fourth proportional to 16,874.39, 23,286.55 and 9,321.21 is: 12,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.39 : 23,286.55 = 9,321.21 : x
  2. Step 2: Convert to fraction form
    16,874.39/23,286.55 = 9,321.21/x
  3. Step 3: Cross multiply
    16,874.39x = 23,286.55 × 9,321.21
  4. Step 4: Simplify right side
    16,874.39x = 217,058,822.73
  5. Step 5: Solve for x
    x = 217,058,822.73/16,874.39
  6. Step 6: Final answer
    x = 12,863.21

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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.