Home / 11,309.33-16,959.44-3,409.40

Finding the Fourth Proportional to 11,309.33, 16,959.44 and 3,409.40

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Solution

The fourth proportional to 11,309.33, 16,959.44 and 3,409.40 is: 5,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.33 : 16,959.44 = 3,409.40 : x
  2. Step 2: Convert to fraction form
    11,309.33/16,959.44 = 3,409.40/x
  3. Step 3: Cross multiply
    11,309.33x = 16,959.44 × 3,409.40
  4. Step 4: Simplify right side
    11,309.33x = 57,821,497.69
  5. Step 5: Solve for x
    x = 57,821,497.69/11,309.33
  6. Step 6: Final answer
    x = 5,112.73

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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.