Home / 11,209.26-16,809.03-3,811.73

Finding the Fourth Proportional to 11,209.26, 16,809.03 and 3,811.73

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Solution

The fourth proportional to 11,209.26, 16,809.03 and 3,811.73 is: 5,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.26 : 16,809.03 = 3,811.73 : x
  2. Step 2: Convert to fraction form
    11,209.26/16,809.03 = 3,811.73/x
  3. Step 3: Cross multiply
    11,209.26x = 16,809.03 × 3,811.73
  4. Step 4: Simplify right side
    11,209.26x = 64,071,483.92
  5. Step 5: Solve for x
    x = 64,071,483.92/11,209.26
  6. Step 6: Final answer
    x = 5,715.94

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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.