Home / 9,192.45-13,788.66-3,998.32

Finding the Fourth Proportional to 9,192.45, 13,788.66 and 3,998.32

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Solution

The fourth proportional to 9,192.45, 13,788.66 and 3,998.32 is: 5,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.45 : 13,788.66 = 3,998.32 : x
  2. Step 2: Convert to fraction form
    9,192.45/13,788.66 = 3,998.32/x
  3. Step 3: Cross multiply
    9,192.45x = 13,788.66 × 3,998.32
  4. Step 4: Simplify right side
    9,192.45x = 55,131,475.05
  5. Step 5: Solve for x
    x = 55,131,475.05/9,192.45
  6. Step 6: Final answer
    x = 5,997.47

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Similar ratio
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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.