Home / 13,734.57-20,600.03-3,874.64

Finding the Fourth Proportional to 13,734.57, 20,600.03 and 3,874.64

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Solution

The fourth proportional to 13,734.57, 20,600.03 and 3,874.64 is: 5,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.57 : 20,600.03 = 3,874.64 : x
  2. Step 2: Convert to fraction form
    13,734.57/20,600.03 = 3,874.64/x
  3. Step 3: Cross multiply
    13,734.57x = 20,600.03 × 3,874.64
  4. Step 4: Simplify right side
    13,734.57x = 79,817,778.26
  5. Step 5: Solve for x
    x = 79,817,778.26/13,734.57
  6. Step 6: Final answer
    x = 5,811.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.