Home / 20,199.38-30,303.92-6,348.38

Finding the Fourth Proportional to 20,199.38, 30,303.92 and 6,348.38

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Solution

The fourth proportional to 20,199.38, 30,303.92 and 6,348.38 is: 9,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.38 : 30,303.92 = 6,348.38 : x
  2. Step 2: Convert to fraction form
    20,199.38/30,303.92 = 6,348.38/x
  3. Step 3: Cross multiply
    20,199.38x = 30,303.92 × 6,348.38
  4. Step 4: Simplify right side
    20,199.38x = 192,380,664.00
  5. Step 5: Solve for x
    x = 192,380,664.00/20,199.38
  6. Step 6: Final answer
    x = 9,524.09

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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.