Home / 11,810.67-17,711.76-3,911.73

Finding the Fourth Proportional to 11,810.67, 17,711.76 and 3,911.73

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Solution

The fourth proportional to 11,810.67, 17,711.76 and 3,911.73 is: 5,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.67 : 17,711.76 = 3,911.73 : x
  2. Step 2: Convert to fraction form
    11,810.67/17,711.76 = 3,911.73/x
  3. Step 3: Cross multiply
    11,810.67x = 17,711.76 × 3,911.73
  4. Step 4: Simplify right side
    11,810.67x = 69,283,622.94
  5. Step 5: Solve for x
    x = 69,283,622.94/11,810.67
  6. Step 6: Final answer
    x = 5,866.19

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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.