Home / 11,463.92-15,717.18-11,256.56

Finding the Fourth Proportional to 11,463.92, 15,717.18 and 11,256.56

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Solution

The fourth proportional to 11,463.92, 15,717.18 and 11,256.56 is: 15,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.92 : 15,717.18 = 11,256.56 : x
  2. Step 2: Convert to fraction form
    11,463.92/15,717.18 = 11,256.56/x
  3. Step 3: Cross multiply
    11,463.92x = 15,717.18 × 11,256.56
  4. Step 4: Simplify right side
    11,463.92x = 176,921,379.70
  5. Step 5: Solve for x
    x = 176,921,379.70/11,463.92
  6. Step 6: Final answer
    x = 15,432.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.