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Finding the Fourth Proportional to 13,767.33, 20,636.85 and 5,443.95

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Solution

The fourth proportional to 13,767.33, 20,636.85 and 5,443.95 is: 8,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.33 : 20,636.85 = 5,443.95 : x
  2. Step 2: Convert to fraction form
    13,767.33/20,636.85 = 5,443.95/x
  3. Step 3: Cross multiply
    13,767.33x = 20,636.85 × 5,443.95
  4. Step 4: Simplify right side
    13,767.33x = 112,345,979.56
  5. Step 5: Solve for x
    x = 112,345,979.56/13,767.33
  6. Step 6: Final answer
    x = 8,160.33

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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.