Home / 11,206.92-16,808.32-3,307.80

Finding the Fourth Proportional to 11,206.92, 16,808.32 and 3,307.80

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Solution

The fourth proportional to 11,206.92, 16,808.32 and 3,307.80 is: 4,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.92 : 16,808.32 = 3,307.80 : x
  2. Step 2: Convert to fraction form
    11,206.92/16,808.32 = 3,307.80/x
  3. Step 3: Cross multiply
    11,206.92x = 16,808.32 × 3,307.80
  4. Step 4: Simplify right side
    11,206.92x = 55,598,560.90
  5. Step 5: Solve for x
    x = 55,598,560.90/11,206.92
  6. Step 6: Final answer
    x = 4,961.09

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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.