Home / 20,193.30-30,291.39-6,343.38

Finding the Fourth Proportional to 20,193.30, 30,291.39 and 6,343.38

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Solution

The fourth proportional to 20,193.30, 30,291.39 and 6,343.38 is: 9,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.30 : 30,291.39 = 6,343.38 : x
  2. Step 2: Convert to fraction form
    20,193.30/30,291.39 = 6,343.38/x
  3. Step 3: Cross multiply
    20,193.30x = 30,291.39 × 6,343.38
  4. Step 4: Simplify right side
    20,193.30x = 192,149,797.50
  5. Step 5: Solve for x
    x = 192,149,797.50/20,193.30
  6. Step 6: Final answer
    x = 9,515.52

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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.