Home / 11,204.70-16,809.30-3,307.20

Finding the Fourth Proportional to 11,204.70, 16,809.30 and 3,307.20

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Solution

The fourth proportional to 11,204.70, 16,809.30 and 3,307.20 is: 4,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,204.70 : 16,809.30 = 3,307.20 : x
  2. Step 2: Convert to fraction form
    11,204.70/16,809.30 = 3,307.20/x
  3. Step 3: Cross multiply
    11,204.70x = 16,809.30 × 3,307.20
  4. Step 4: Simplify right side
    11,204.70x = 55,591,716.96
  5. Step 5: Solve for x
    x = 55,591,716.96/11,204.70
  6. Step 6: Final answer
    x = 4,961.46

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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.