Home / 11,776.70-17,665.14-3,456.85

Finding the Fourth Proportional to 11,776.70, 17,665.14 and 3,456.85

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Solution

The fourth proportional to 11,776.70, 17,665.14 and 3,456.85 is: 5,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.70 : 17,665.14 = 3,456.85 : x
  2. Step 2: Convert to fraction form
    11,776.70/17,665.14 = 3,456.85/x
  3. Step 3: Cross multiply
    11,776.70x = 17,665.14 × 3,456.85
  4. Step 4: Simplify right side
    11,776.70x = 61,065,650.88
  5. Step 5: Solve for x
    x = 61,065,650.88/11,776.70
  6. Step 6: Final answer
    x = 5,185.30

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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.