Home / 15,212.42-22,795.11-11,872.76

Finding the Fourth Proportional to 15,212.42, 22,795.11 and 11,872.76

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Solution

The fourth proportional to 15,212.42, 22,795.11 and 11,872.76 is: 17,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.42 : 22,795.11 = 11,872.76 : x
  2. Step 2: Convert to fraction form
    15,212.42/22,795.11 = 11,872.76/x
  3. Step 3: Cross multiply
    15,212.42x = 22,795.11 × 11,872.76
  4. Step 4: Simplify right side
    15,212.42x = 270,640,756.23
  5. Step 5: Solve for x
    x = 270,640,756.23/15,212.42
  6. Step 6: Final answer
    x = 17,790.78

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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.