Home / 20,072.07-30,112.22-6,922.73

Finding the Fourth Proportional to 20,072.07, 30,112.22 and 6,922.73

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Solution

The fourth proportional to 20,072.07, 30,112.22 and 6,922.73 is: 10,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.07 : 30,112.22 = 6,922.73 : x
  2. Step 2: Convert to fraction form
    20,072.07/30,112.22 = 6,922.73/x
  3. Step 3: Cross multiply
    20,072.07x = 30,112.22 × 6,922.73
  4. Step 4: Simplify right side
    20,072.07x = 208,458,861.35
  5. Step 5: Solve for x
    x = 208,458,861.35/20,072.07
  6. Step 6: Final answer
    x = 10,385.52

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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.