Home / 11,222.72-16,831.92-3,826.52

Finding the Fourth Proportional to 11,222.72, 16,831.92 and 3,826.52

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Solution

The fourth proportional to 11,222.72, 16,831.92 and 3,826.52 is: 5,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.72 : 16,831.92 = 3,826.52 : x
  2. Step 2: Convert to fraction form
    11,222.72/16,831.92 = 3,826.52/x
  3. Step 3: Cross multiply
    11,222.72x = 16,831.92 × 3,826.52
  4. Step 4: Simplify right side
    11,222.72x = 64,407,678.52
  5. Step 5: Solve for x
    x = 64,407,678.52/11,222.72
  6. Step 6: Final answer
    x = 5,739.04

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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.