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Finding the Fourth Proportional to 13,446.27, 20,169.41 and 3,585.58

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Solution

The fourth proportional to 13,446.27, 20,169.41 and 3,585.58 is: 5,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.27 : 20,169.41 = 3,585.58 : x
  2. Step 2: Convert to fraction form
    13,446.27/20,169.41 = 3,585.58/x
  3. Step 3: Cross multiply
    13,446.27x = 20,169.41 × 3,585.58
  4. Step 4: Simplify right side
    13,446.27x = 72,319,078.21
  5. Step 5: Solve for x
    x = 72,319,078.21/13,446.27
  6. Step 6: Final answer
    x = 5,378.37

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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.