Home / 11,388.27-17,084.91-3,491.87

Finding the Fourth Proportional to 11,388.27, 17,084.91 and 3,491.87

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Solution

The fourth proportional to 11,388.27, 17,084.91 and 3,491.87 is: 5,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.27 : 17,084.91 = 3,491.87 : x
  2. Step 2: Convert to fraction form
    11,388.27/17,084.91 = 3,491.87/x
  3. Step 3: Cross multiply
    11,388.27x = 17,084.91 × 3,491.87
  4. Step 4: Simplify right side
    11,388.27x = 59,658,327.57
  5. Step 5: Solve for x
    x = 59,658,327.57/11,388.27
  6. Step 6: Final answer
    x = 5,238.58

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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.