Home / 12,676.35-19,015.44-3,910.13

Finding the Fourth Proportional to 12,676.35, 19,015.44 and 3,910.13

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Solution

The fourth proportional to 12,676.35, 19,015.44 and 3,910.13 is: 5,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676.35 : 19,015.44 = 3,910.13 : x
  2. Step 2: Convert to fraction form
    12,676.35/19,015.44 = 3,910.13/x
  3. Step 3: Cross multiply
    12,676.35x = 19,015.44 × 3,910.13
  4. Step 4: Simplify right side
    12,676.35x = 74,352,842.41
  5. Step 5: Solve for x
    x = 74,352,842.41/12,676.35
  6. Step 6: Final answer
    x = 5,865.48

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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.