Home / 13,600.86-20,401.38-3,741.18

Finding the Fourth Proportional to 13,600.86, 20,401.38 and 3,741.18

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Solution

The fourth proportional to 13,600.86, 20,401.38 and 3,741.18 is: 5,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.86 : 20,401.38 = 3,741.18 : x
  2. Step 2: Convert to fraction form
    13,600.86/20,401.38 = 3,741.18/x
  3. Step 3: Cross multiply
    13,600.86x = 20,401.38 × 3,741.18
  4. Step 4: Simplify right side
    13,600.86x = 76,325,234.83
  5. Step 5: Solve for x
    x = 76,325,234.83/13,600.86
  6. Step 6: Final answer
    x = 5,611.79

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1.5x scale

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.