Home / 12,761.08-19,141.91-3,996.26

Finding the Fourth Proportional to 12,761.08, 19,141.91 and 3,996.26

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Solution

The fourth proportional to 12,761.08, 19,141.91 and 3,996.26 is: 5,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.08 : 19,141.91 = 3,996.26 : x
  2. Step 2: Convert to fraction form
    12,761.08/19,141.91 = 3,996.26/x
  3. Step 3: Cross multiply
    12,761.08x = 19,141.91 × 3,996.26
  4. Step 4: Simplify right side
    12,761.08x = 76,496,049.26
  5. Step 5: Solve for x
    x = 76,496,049.26/12,761.08
  6. Step 6: Final answer
    x = 5,994.48

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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.