Home / 20,517.93-30,834.60-12,199.44

Finding the Fourth Proportional to 20,517.93, 30,834.60 and 12,199.44

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Solution

The fourth proportional to 20,517.93, 30,834.60 and 12,199.44 is: 18,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,517.93 : 30,834.60 = 12,199.44 : x
  2. Step 2: Convert to fraction form
    20,517.93/30,834.60 = 12,199.44/x
  3. Step 3: Cross multiply
    20,517.93x = 30,834.60 × 12,199.44
  4. Step 4: Simplify right side
    20,517.93x = 376,164,852.62
  5. Step 5: Solve for x
    x = 376,164,852.62/20,517.93
  6. Step 6: Final answer
    x = 18,333.47

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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.