Home / 13,624.26-20,436.39-3,763.54

Finding the Fourth Proportional to 13,624.26, 20,436.39 and 3,763.54

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Solution

The fourth proportional to 13,624.26, 20,436.39 and 3,763.54 is: 5,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.26 : 20,436.39 = 3,763.54 : x
  2. Step 2: Convert to fraction form
    13,624.26/20,436.39 = 3,763.54/x
  3. Step 3: Cross multiply
    13,624.26x = 20,436.39 × 3,763.54
  4. Step 4: Simplify right side
    13,624.26x = 76,913,236.09
  5. Step 5: Solve for x
    x = 76,913,236.09/13,624.26
  6. Step 6: Final answer
    x = 5,645.31

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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.