Home / 13,741.05-20,611.34-4,380.95

Finding the Fourth Proportional to 13,741.05, 20,611.34 and 4,380.95

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Solution

The fourth proportional to 13,741.05, 20,611.34 and 4,380.95 is: 6,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.05 : 20,611.34 = 4,380.95 : x
  2. Step 2: Convert to fraction form
    13,741.05/20,611.34 = 4,380.95/x
  3. Step 3: Cross multiply
    13,741.05x = 20,611.34 × 4,380.95
  4. Step 4: Simplify right side
    13,741.05x = 90,297,249.97
  5. Step 5: Solve for x
    x = 90,297,249.97/13,741.05
  6. Step 6: Final answer
    x = 6,571.35

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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.