Home / 16,286.70-22,475.73-9,212.97

Finding the Fourth Proportional to 16,286.70, 22,475.73 and 9,212.97

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Solution

The fourth proportional to 16,286.70, 22,475.73 and 9,212.97 is: 12,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,286.70 : 22,475.73 = 9,212.97 : x
  2. Step 2: Convert to fraction form
    16,286.70/22,475.73 = 9,212.97/x
  3. Step 3: Cross multiply
    16,286.70x = 22,475.73 × 9,212.97
  4. Step 4: Simplify right side
    16,286.70x = 207,068,281.84
  5. Step 5: Solve for x
    x = 207,068,281.84/16,286.70
  6. Step 6: Final answer
    x = 12,713.95

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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.