Home / 12,609.48-18,912.96-3,844.56

Finding the Fourth Proportional to 12,609.48, 18,912.96 and 3,844.56

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Solution

The fourth proportional to 12,609.48, 18,912.96 and 3,844.56 is: 5,766.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.48 : 18,912.96 = 3,844.56 : x
  2. Step 2: Convert to fraction form
    12,609.48/18,912.96 = 3,844.56/x
  3. Step 3: Cross multiply
    12,609.48x = 18,912.96 × 3,844.56
  4. Step 4: Simplify right side
    12,609.48x = 72,712,009.50
  5. Step 5: Solve for x
    x = 72,712,009.50/12,609.48
  6. Step 6: Final answer
    x = 5,766.46

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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.