Home / 7,942.95-11,914.49-2,099.54

Finding the Fourth Proportional to 7,942.95, 11,914.49 and 2,099.54

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Solution

The fourth proportional to 7,942.95, 11,914.49 and 2,099.54 is: 3,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.95 : 11,914.49 = 2,099.54 : x
  2. Step 2: Convert to fraction form
    7,942.95/11,914.49 = 2,099.54/x
  3. Step 3: Cross multiply
    7,942.95x = 11,914.49 × 2,099.54
  4. Step 4: Simplify right side
    7,942.95x = 25,014,983.37
  5. Step 5: Solve for x
    x = 25,014,983.37/7,942.95
  6. Step 6: Final answer
    x = 3,149.33

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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.