Home / 20,193.90-30,293.38-6,685.62

Finding the Fourth Proportional to 20,193.90, 30,293.38 and 6,685.62

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Solution

The fourth proportional to 20,193.90, 30,293.38 and 6,685.62 is: 10,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.90 : 30,293.38 = 6,685.62 : x
  2. Step 2: Convert to fraction form
    20,193.90/30,293.38 = 6,685.62/x
  3. Step 3: Cross multiply
    20,193.90x = 30,293.38 × 6,685.62
  4. Step 4: Simplify right side
    20,193.90x = 202,530,027.20
  5. Step 5: Solve for x
    x = 202,530,027.20/20,193.90
  6. Step 6: Final answer
    x = 10,029.27

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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.