Home / 12,626.23-18,939.34-3,861.15

Finding the Fourth Proportional to 12,626.23, 18,939.34 and 3,861.15

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Solution

The fourth proportional to 12,626.23, 18,939.34 and 3,861.15 is: 5,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.23 : 18,939.34 = 3,861.15 : x
  2. Step 2: Convert to fraction form
    12,626.23/18,939.34 = 3,861.15/x
  3. Step 3: Cross multiply
    12,626.23x = 18,939.34 × 3,861.15
  4. Step 4: Simplify right side
    12,626.23x = 73,127,651.26
  5. Step 5: Solve for x
    x = 73,127,651.26/12,626.23
  6. Step 6: Final answer
    x = 5,791.73

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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.