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Finding the Fourth Proportional to 13,375.40, 20,063.16 and 5,482.22

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Solution

The fourth proportional to 13,375.40, 20,063.16 and 5,482.22 is: 8,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.40 : 20,063.16 = 5,482.22 : x
  2. Step 2: Convert to fraction form
    13,375.40/20,063.16 = 5,482.22/x
  3. Step 3: Cross multiply
    13,375.40x = 20,063.16 × 5,482.22
  4. Step 4: Simplify right side
    13,375.40x = 109,990,556.70
  5. Step 5: Solve for x
    x = 109,990,556.70/13,375.40
  6. Step 6: Final answer
    x = 8,223.35

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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.