Home / 20,251.36-30,377.04-6,211.43

Finding the Fourth Proportional to 20,251.36, 30,377.04 and 6,211.43

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Solution

The fourth proportional to 20,251.36, 30,377.04 and 6,211.43 is: 9,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.36 : 30,377.04 = 6,211.43 : x
  2. Step 2: Convert to fraction form
    20,251.36/30,377.04 = 6,211.43/x
  3. Step 3: Cross multiply
    20,251.36x = 30,377.04 × 6,211.43
  4. Step 4: Simplify right side
    20,251.36x = 188,684,857.57
  5. Step 5: Solve for x
    x = 188,684,857.57/20,251.36
  6. Step 6: Final answer
    x = 9,317.15

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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.