Home / 11,161.94-16,742.39-4,920.27

Finding the Fourth Proportional to 11,161.94, 16,742.39 and 4,920.27

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Solution

The fourth proportional to 11,161.94, 16,742.39 and 4,920.27 is: 7,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.94 : 16,742.39 = 4,920.27 : x
  2. Step 2: Convert to fraction form
    11,161.94/16,742.39 = 4,920.27/x
  3. Step 3: Cross multiply
    11,161.94x = 16,742.39 × 4,920.27
  4. Step 4: Simplify right side
    11,161.94x = 82,377,054.64
  5. Step 5: Solve for x
    x = 82,377,054.64/11,161.94
  6. Step 6: Final answer
    x = 7,380.18

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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.