Home / 11,806.34-17,711.43-3,487.19

Finding the Fourth Proportional to 11,806.34, 17,711.43 and 3,487.19

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Solution

The fourth proportional to 11,806.34, 17,711.43 and 3,487.19 is: 5,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.34 : 17,711.43 = 3,487.19 : x
  2. Step 2: Convert to fraction form
    11,806.34/17,711.43 = 3,487.19/x
  3. Step 3: Cross multiply
    11,806.34x = 17,711.43 × 3,487.19
  4. Step 4: Simplify right side
    11,806.34x = 61,763,121.58
  5. Step 5: Solve for x
    x = 61,763,121.58/11,806.34
  6. Step 6: Final answer
    x = 5,231.35

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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.