Home / 11,491.83-17,238.29-4,911.39

Finding the Fourth Proportional to 11,491.83, 17,238.29 and 4,911.39

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Solution

The fourth proportional to 11,491.83, 17,238.29 and 4,911.39 is: 7,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.83 : 17,238.29 = 4,911.39 : x
  2. Step 2: Convert to fraction form
    11,491.83/17,238.29 = 4,911.39/x
  3. Step 3: Cross multiply
    11,491.83x = 17,238.29 × 4,911.39
  4. Step 4: Simplify right side
    11,491.83x = 84,663,940.57
  5. Step 5: Solve for x
    x = 84,663,940.57/11,491.83
  6. Step 6: Final answer
    x = 7,367.32

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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.