Home / 20,231.36-30,350.70-6,191.14

Finding the Fourth Proportional to 20,231.36, 30,350.70 and 6,191.14

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Solution

The fourth proportional to 20,231.36, 30,350.70 and 6,191.14 is: 9,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.36 : 30,350.70 = 6,191.14 : x
  2. Step 2: Convert to fraction form
    20,231.36/30,350.70 = 6,191.14/x
  3. Step 3: Cross multiply
    20,231.36x = 30,350.70 × 6,191.14
  4. Step 4: Simplify right side
    20,231.36x = 187,905,432.80
  5. Step 5: Solve for x
    x = 187,905,432.80/20,231.36
  6. Step 6: Final answer
    x = 9,287.83

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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.