Home / 11,813.45-17,723.77-5,578.25

Finding the Fourth Proportional to 11,813.45, 17,723.77 and 5,578.25

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Solution

The fourth proportional to 11,813.45, 17,723.77 and 5,578.25 is: 8,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.45 : 17,723.77 = 5,578.25 : x
  2. Step 2: Convert to fraction form
    11,813.45/17,723.77 = 5,578.25/x
  3. Step 3: Cross multiply
    11,813.45x = 17,723.77 × 5,578.25
  4. Step 4: Simplify right side
    11,813.45x = 98,867,517.44
  5. Step 5: Solve for x
    x = 98,867,517.44/11,813.45
  6. Step 6: Final answer
    x = 8,369.07

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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.