Home / 12,472.28-17,215.94-8,234.97

Finding the Fourth Proportional to 12,472.28, 17,215.94 and 8,234.97

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Solution

The fourth proportional to 12,472.28, 17,215.94 and 8,234.97 is: 11,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.28 : 17,215.94 = 8,234.97 : x
  2. Step 2: Convert to fraction form
    12,472.28/17,215.94 = 8,234.97/x
  3. Step 3: Cross multiply
    12,472.28x = 17,215.94 × 8,234.97
  4. Step 4: Simplify right side
    12,472.28x = 141,772,705.45
  5. Step 5: Solve for x
    x = 141,772,705.45/12,472.28
  6. Step 6: Final answer
    x = 11,367.03

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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.