Home / 11,161.84-16,736.66-7,212.54

Finding the Fourth Proportional to 11,161.84, 16,736.66 and 7,212.54

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Solution

The fourth proportional to 11,161.84, 16,736.66 and 7,212.54 is: 10,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.84 : 16,736.66 = 7,212.54 : x
  2. Step 2: Convert to fraction form
    11,161.84/16,736.66 = 7,212.54/x
  3. Step 3: Cross multiply
    11,161.84x = 16,736.66 × 7,212.54
  4. Step 4: Simplify right side
    11,161.84x = 120,713,829.72
  5. Step 5: Solve for x
    x = 120,713,829.72/11,161.84
  6. Step 6: Final answer
    x = 10,814.87

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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.