Home / 20,250.94-30,377.33-6,209.94

Finding the Fourth Proportional to 20,250.94, 30,377.33 and 6,209.94

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Solution

The fourth proportional to 20,250.94, 30,377.33 and 6,209.94 is: 9,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.94 : 30,377.33 = 6,209.94 : x
  2. Step 2: Convert to fraction form
    20,250.94/30,377.33 = 6,209.94/x
  3. Step 3: Cross multiply
    20,250.94x = 30,377.33 × 6,209.94
  4. Step 4: Simplify right side
    20,250.94x = 188,641,396.66
  5. Step 5: Solve for x
    x = 188,641,396.66/20,250.94
  6. Step 6: Final answer
    x = 9,315.19

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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.