Home / 11,206.31-16,805.54-3,306.72

Finding the Fourth Proportional to 11,206.31, 16,805.54 and 3,306.72

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Solution

The fourth proportional to 11,206.31, 16,805.54 and 3,306.72 is: 4,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.31 : 16,805.54 = 3,306.72 : x
  2. Step 2: Convert to fraction form
    11,206.31/16,805.54 = 3,306.72/x
  3. Step 3: Cross multiply
    11,206.31x = 16,805.54 × 3,306.72
  4. Step 4: Simplify right side
    11,206.31x = 55,571,215.23
  5. Step 5: Solve for x
    x = 55,571,215.23/11,206.31
  6. Step 6: Final answer
    x = 4,958.92

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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.