Home / 11,813.16-17,721.36-3,493.83

Finding the Fourth Proportional to 11,813.16, 17,721.36 and 3,493.83

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Solution

The fourth proportional to 11,813.16, 17,721.36 and 3,493.83 is: 5,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.16 : 17,721.36 = 3,493.83 : x
  2. Step 2: Convert to fraction form
    11,813.16/17,721.36 = 3,493.83/x
  3. Step 3: Cross multiply
    11,813.16x = 17,721.36 × 3,493.83
  4. Step 4: Simplify right side
    11,813.16x = 61,915,419.21
  5. Step 5: Solve for x
    x = 61,915,419.21/11,813.16
  6. Step 6: Final answer
    x = 5,241.22

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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.