Home / 12,190.26-18,285.38-4,399.08

Finding the Fourth Proportional to 12,190.26, 18,285.38 and 4,399.08

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Solution

The fourth proportional to 12,190.26, 18,285.38 and 4,399.08 is: 6,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.26 : 18,285.38 = 4,399.08 : x
  2. Step 2: Convert to fraction form
    12,190.26/18,285.38 = 4,399.08/x
  3. Step 3: Cross multiply
    12,190.26x = 18,285.38 × 4,399.08
  4. Step 4: Simplify right side
    12,190.26x = 80,438,775.38
  5. Step 5: Solve for x
    x = 80,438,775.38/12,190.26
  6. Step 6: Final answer
    x = 6,598.61

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Similar ratio
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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.