Home / 11,261.96-16,891.19-3,765.65

Finding the Fourth Proportional to 11,261.96, 16,891.19 and 3,765.65

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Solution

The fourth proportional to 11,261.96, 16,891.19 and 3,765.65 is: 5,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.96 : 16,891.19 = 3,765.65 : x
  2. Step 2: Convert to fraction form
    11,261.96/16,891.19 = 3,765.65/x
  3. Step 3: Cross multiply
    11,261.96x = 16,891.19 × 3,765.65
  4. Step 4: Simplify right side
    11,261.96x = 63,606,206.34
  5. Step 5: Solve for x
    x = 63,606,206.34/11,261.96
  6. Step 6: Final answer
    x = 5,647.88

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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.