Home / 12,608.96-18,912.75-3,843.19

Finding the Fourth Proportional to 12,608.96, 18,912.75 and 3,843.19

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Solution

The fourth proportional to 12,608.96, 18,912.75 and 3,843.19 is: 5,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.96 : 18,912.75 = 3,843.19 : x
  2. Step 2: Convert to fraction form
    12,608.96/18,912.75 = 3,843.19/x
  3. Step 3: Cross multiply
    12,608.96x = 18,912.75 × 3,843.19
  4. Step 4: Simplify right side
    12,608.96x = 72,685,244.39
  5. Step 5: Solve for x
    x = 72,685,244.39/12,608.96
  6. Step 6: Final answer
    x = 5,764.57

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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.