Home / 20,022.14-30,035.98-6,872.80

Finding the Fourth Proportional to 20,022.14, 30,035.98 and 6,872.80

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Solution

The fourth proportional to 20,022.14, 30,035.98 and 6,872.80 is: 10,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.14 : 30,035.98 = 6,872.80 : x
  2. Step 2: Convert to fraction form
    20,022.14/30,035.98 = 6,872.80/x
  3. Step 3: Cross multiply
    20,022.14x = 30,035.98 × 6,872.80
  4. Step 4: Simplify right side
    20,022.14x = 206,431,283.34
  5. Step 5: Solve for x
    x = 206,431,283.34/20,022.14
  6. Step 6: Final answer
    x = 10,310.15

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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.