Home / 11,072.36-16,608.78-4,143.08

Finding the Fourth Proportional to 11,072.36, 16,608.78 and 4,143.08

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Solution

The fourth proportional to 11,072.36, 16,608.78 and 4,143.08 is: 6,214.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.36 : 16,608.78 = 4,143.08 : x
  2. Step 2: Convert to fraction form
    11,072.36/16,608.78 = 4,143.08/x
  3. Step 3: Cross multiply
    11,072.36x = 16,608.78 × 4,143.08
  4. Step 4: Simplify right side
    11,072.36x = 68,811,504.24
  5. Step 5: Solve for x
    x = 68,811,504.24/11,072.36
  6. Step 6: Final answer
    x = 6,214.71

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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.