Home / 16,286.06-22,470.70-9,481.20

Finding the Fourth Proportional to 16,286.06, 22,470.70 and 9,481.20

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Solution

The fourth proportional to 16,286.06, 22,470.70 and 9,481.20 is: 13,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.06 : 22,470.70 = 9,481.20 : x
  2. Step 2: Convert to fraction form
    16,286.06/22,470.70 = 9,481.20/x
  3. Step 3: Cross multiply
    16,286.06x = 22,470.70 × 9,481.20
  4. Step 4: Simplify right side
    16,286.06x = 213,049,200.84
  5. Step 5: Solve for x
    x = 213,049,200.84/16,286.06
  6. Step 6: Final answer
    x = 13,081.69

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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.