Home / 20,171.58-30,251.13-6,131.04

Finding the Fourth Proportional to 20,171.58, 30,251.13 and 6,131.04

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Solution

The fourth proportional to 20,171.58, 30,251.13 and 6,131.04 is: 9,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.58 : 30,251.13 = 6,131.04 : x
  2. Step 2: Convert to fraction form
    20,171.58/30,251.13 = 6,131.04/x
  3. Step 3: Cross multiply
    20,171.58x = 30,251.13 × 6,131.04
  4. Step 4: Simplify right side
    20,171.58x = 185,470,888.08
  5. Step 5: Solve for x
    x = 185,470,888.08/20,171.58
  6. Step 6: Final answer
    x = 9,194.66

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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.