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Finding the Fourth Proportional to 22,182.92, 30,580.63 and 13,679.33

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Solution

The fourth proportional to 22,182.92, 30,580.63 and 13,679.33 is: 18,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.92 : 30,580.63 = 13,679.33 : x
  2. Step 2: Convert to fraction form
    22,182.92/30,580.63 = 13,679.33/x
  3. Step 3: Cross multiply
    22,182.92x = 30,580.63 × 13,679.33
  4. Step 4: Simplify right side
    22,182.92x = 418,322,552.77
  5. Step 5: Solve for x
    x = 418,322,552.77/22,182.92
  6. Step 6: Final answer
    x = 18,857.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.