Home / 11,471.25-15,832.94-6,757.05

Finding the Fourth Proportional to 11,471.25, 15,832.94 and 6,757.05

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Solution

The fourth proportional to 11,471.25, 15,832.94 and 6,757.05 is: 9,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471.25 : 15,832.94 = 6,757.05 : x
  2. Step 2: Convert to fraction form
    11,471.25/15,832.94 = 6,757.05/x
  3. Step 3: Cross multiply
    11,471.25x = 15,832.94 × 6,757.05
  4. Step 4: Simplify right side
    11,471.25x = 106,983,933.44
  5. Step 5: Solve for x
    x = 106,983,933.44/11,471.25
  6. Step 6: Final answer
    x = 9,326.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.