Home / 11,811.67-17,719.97-3,491.03

Finding the Fourth Proportional to 11,811.67, 17,719.97 and 3,491.03

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Solution

The fourth proportional to 11,811.67, 17,719.97 and 3,491.03 is: 5,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.67 : 17,719.97 = 3,491.03 : x
  2. Step 2: Convert to fraction form
    11,811.67/17,719.97 = 3,491.03/x
  3. Step 3: Cross multiply
    11,811.67x = 17,719.97 × 3,491.03
  4. Step 4: Simplify right side
    11,811.67x = 61,860,973.71
  5. Step 5: Solve for x
    x = 61,860,973.71/11,811.67
  6. Step 6: Final answer
    x = 5,237.28

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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.