Home / 11,995.56-17,997.66-4,205.52

Finding the Fourth Proportional to 11,995.56, 17,997.66 and 4,205.52

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Solution

The fourth proportional to 11,995.56, 17,997.66 and 4,205.52 is: 6,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.56 : 17,997.66 = 4,205.52 : x
  2. Step 2: Convert to fraction form
    11,995.56/17,997.66 = 4,205.52/x
  3. Step 3: Cross multiply
    11,995.56x = 17,997.66 × 4,205.52
  4. Step 4: Simplify right side
    11,995.56x = 75,689,519.08
  5. Step 5: Solve for x
    x = 75,689,519.08/11,995.56
  6. Step 6: Final answer
    x = 6,309.79

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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.