Home / 11,215.62-16,812.72-4,193.73

Finding the Fourth Proportional to 11,215.62, 16,812.72 and 4,193.73

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Solution

The fourth proportional to 11,215.62, 16,812.72 and 4,193.73 is: 6,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.62 : 16,812.72 = 4,193.73 : x
  2. Step 2: Convert to fraction form
    11,215.62/16,812.72 = 4,193.73/x
  3. Step 3: Cross multiply
    11,215.62x = 16,812.72 × 4,193.73
  4. Step 4: Simplify right side
    11,215.62x = 70,508,008.25
  5. Step 5: Solve for x
    x = 70,508,008.25/11,215.62
  6. Step 6: Final answer
    x = 6,286.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.