Home / 12,608.28-18,912.46-3,843.16

Finding the Fourth Proportional to 12,608.28, 18,912.46 and 3,843.16

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Solution

The fourth proportional to 12,608.28, 18,912.46 and 3,843.16 is: 5,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.28 : 18,912.46 = 3,843.16 : x
  2. Step 2: Convert to fraction form
    12,608.28/18,912.46 = 3,843.16/x
  3. Step 3: Cross multiply
    12,608.28x = 18,912.46 × 3,843.16
  4. Step 4: Simplify right side
    12,608.28x = 72,683,609.77
  5. Step 5: Solve for x
    x = 72,683,609.77/12,608.28
  6. Step 6: Final answer
    x = 5,764.75

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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.