Home / 12,626.38-18,938.08-3,861.37

Finding the Fourth Proportional to 12,626.38, 18,938.08 and 3,861.37

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Solution

The fourth proportional to 12,626.38, 18,938.08 and 3,861.37 is: 5,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626.38 : 18,938.08 = 3,861.37 : x
  2. Step 2: Convert to fraction form
    12,626.38/18,938.08 = 3,861.37/x
  3. Step 3: Cross multiply
    12,626.38x = 18,938.08 × 3,861.37
  4. Step 4: Simplify right side
    12,626.38x = 73,126,933.97
  5. Step 5: Solve for x
    x = 73,126,933.97/12,626.38
  6. Step 6: Final answer
    x = 5,791.60

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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.