Home / 11,218.22-16,831.22-4,982.61

Finding the Fourth Proportional to 11,218.22, 16,831.22 and 4,982.61

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Solution

The fourth proportional to 11,218.22, 16,831.22 and 4,982.61 is: 7,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.22 : 16,831.22 = 4,982.61 : x
  2. Step 2: Convert to fraction form
    11,218.22/16,831.22 = 4,982.61/x
  3. Step 3: Cross multiply
    11,218.22x = 16,831.22 × 4,982.61
  4. Step 4: Simplify right side
    11,218.22x = 83,863,380.17
  5. Step 5: Solve for x
    x = 83,863,380.17/11,218.22
  6. Step 6: Final answer
    x = 7,475.64

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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.