Home / 11,770.73-17,656.09-3,005.65

Finding the Fourth Proportional to 11,770.73, 17,656.09 and 3,005.65

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Solution

The fourth proportional to 11,770.73, 17,656.09 and 3,005.65 is: 4,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,770.73 : 17,656.09 = 3,005.65 : x
  2. Step 2: Convert to fraction form
    11,770.73/17,656.09 = 3,005.65/x
  3. Step 3: Cross multiply
    11,770.73x = 17,656.09 × 3,005.65
  4. Step 4: Simplify right side
    11,770.73x = 53,067,975.25
  5. Step 5: Solve for x
    x = 53,067,975.25/11,770.73
  6. Step 6: Final answer
    x = 4,508.47

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1.5x scale

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.