Home / 12,676.26-19,016.90-3,910.80

Finding the Fourth Proportional to 12,676.26, 19,016.90 and 3,910.80

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Solution

The fourth proportional to 12,676.26, 19,016.90 and 3,910.80 is: 5,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.26 : 19,016.90 = 3,910.80 : x
  2. Step 2: Convert to fraction form
    12,676.26/19,016.90 = 3,910.80/x
  3. Step 3: Cross multiply
    12,676.26x = 19,016.90 × 3,910.80
  4. Step 4: Simplify right side
    12,676.26x = 74,371,292.52
  5. Step 5: Solve for x
    x = 74,371,292.52/12,676.26
  6. Step 6: Final answer
    x = 5,866.97

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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.