Home / 20,191.69-30,292.33-6,340.69

Finding the Fourth Proportional to 20,191.69, 30,292.33 and 6,340.69

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Solution

The fourth proportional to 20,191.69, 30,292.33 and 6,340.69 is: 9,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.69 : 30,292.33 = 6,340.69 : x
  2. Step 2: Convert to fraction form
    20,191.69/30,292.33 = 6,340.69/x
  3. Step 3: Cross multiply
    20,191.69x = 30,292.33 × 6,340.69
  4. Step 4: Simplify right side
    20,191.69x = 192,074,273.91
  5. Step 5: Solve for x
    x = 192,074,273.91/20,191.69
  6. Step 6: Final answer
    x = 9,512.54

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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.