Home / 13,942.80-20,920.59-6,047.73

Finding the Fourth Proportional to 13,942.80, 20,920.59 and 6,047.73

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Solution

The fourth proportional to 13,942.80, 20,920.59 and 6,047.73 is: 9,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.80 : 20,920.59 = 6,047.73 : x
  2. Step 2: Convert to fraction form
    13,942.80/20,920.59 = 6,047.73/x
  3. Step 3: Cross multiply
    13,942.80x = 20,920.59 × 6,047.73
  4. Step 4: Simplify right side
    13,942.80x = 126,522,079.76
  5. Step 5: Solve for x
    x = 126,522,079.76/13,942.80
  6. Step 6: Final answer
    x = 9,074.37

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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.