Home / 9,229.12-12,736.23-5,249.99

Finding the Fourth Proportional to 9,229.12, 12,736.23 and 5,249.99

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Solution

The fourth proportional to 9,229.12, 12,736.23 and 5,249.99 is: 7,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,229.12 : 12,736.23 = 5,249.99 : x
  2. Step 2: Convert to fraction form
    9,229.12/12,736.23 = 5,249.99/x
  3. Step 3: Cross multiply
    9,229.12x = 12,736.23 × 5,249.99
  4. Step 4: Simplify right side
    9,229.12x = 66,865,080.14
  5. Step 5: Solve for x
    x = 66,865,080.14/9,229.12
  6. Step 6: Final answer
    x = 7,245.01

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