Home / 11,208.67-16,812.99-3,311.29

Finding the Fourth Proportional to 11,208.67, 16,812.99 and 3,311.29

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Solution

The fourth proportional to 11,208.67, 16,812.99 and 3,311.29 is: 4,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.67 : 16,812.99 = 3,311.29 : x
  2. Step 2: Convert to fraction form
    11,208.67/16,812.99 = 3,311.29/x
  3. Step 3: Cross multiply
    11,208.67x = 16,812.99 × 3,311.29
  4. Step 4: Simplify right side
    11,208.67x = 55,672,685.66
  5. Step 5: Solve for x
    x = 55,672,685.66/11,208.67
  6. Step 6: Final answer
    x = 4,966.93

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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.