Home / 11,942.22-17,912.07-3,057.60

Finding the Fourth Proportional to 11,942.22, 17,912.07 and 3,057.60

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Solution

The fourth proportional to 11,942.22, 17,912.07 and 3,057.60 is: 4,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.22 : 17,912.07 = 3,057.60 : x
  2. Step 2: Convert to fraction form
    11,942.22/17,912.07 = 3,057.60/x
  3. Step 3: Cross multiply
    11,942.22x = 17,912.07 × 3,057.60
  4. Step 4: Simplify right side
    11,942.22x = 54,767,945.23
  5. Step 5: Solve for x
    x = 54,767,945.23/11,942.22
  6. Step 6: Final answer
    x = 4,586.08

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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.