Home / 11,221.14-16,831.75-3,429.92

Finding the Fourth Proportional to 11,221.14, 16,831.75 and 3,429.92

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Solution

The fourth proportional to 11,221.14, 16,831.75 and 3,429.92 is: 5,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.14 : 16,831.75 = 3,429.92 : x
  2. Step 2: Convert to fraction form
    11,221.14/16,831.75 = 3,429.92/x
  3. Step 3: Cross multiply
    11,221.14x = 16,831.75 × 3,429.92
  4. Step 4: Simplify right side
    11,221.14x = 57,731,555.96
  5. Step 5: Solve for x
    x = 57,731,555.96/11,221.14
  6. Step 6: Final answer
    x = 5,144.89

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