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Finding the Fourth Proportional to 22,212.68, 33,318.34 and 7,421.73

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Solution

The fourth proportional to 22,212.68, 33,318.34 and 7,421.73 is: 11,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.68 : 33,318.34 = 7,421.73 : x
  2. Step 2: Convert to fraction form
    22,212.68/33,318.34 = 7,421.73/x
  3. Step 3: Cross multiply
    22,212.68x = 33,318.34 × 7,421.73
  4. Step 4: Simplify right side
    22,212.68x = 247,279,580.03
  5. Step 5: Solve for x
    x = 247,279,580.03/22,212.68
  6. Step 6: Final answer
    x = 11,132.36

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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.