Home / 20,173.30-30,260.17-6,135.61

Finding the Fourth Proportional to 20,173.30, 30,260.17 and 6,135.61

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Solution

The fourth proportional to 20,173.30, 30,260.17 and 6,135.61 is: 9,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173.30 : 30,260.17 = 6,135.61 : x
  2. Step 2: Convert to fraction form
    20,173.30/30,260.17 = 6,135.61/x
  3. Step 3: Cross multiply
    20,173.30x = 30,260.17 × 6,135.61
  4. Step 4: Simplify right side
    20,173.30x = 185,664,601.65
  5. Step 5: Solve for x
    x = 185,664,601.65/20,173.30
  6. Step 6: Final answer
    x = 9,203.48

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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.