Home / 11,121.19-16,684.16-4,101.22

Finding the Fourth Proportional to 11,121.19, 16,684.16 and 4,101.22

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Solution

The fourth proportional to 11,121.19, 16,684.16 and 4,101.22 is: 6,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.19 : 16,684.16 = 4,101.22 : x
  2. Step 2: Convert to fraction form
    11,121.19/16,684.16 = 4,101.22/x
  3. Step 3: Cross multiply
    11,121.19x = 16,684.16 × 4,101.22
  4. Step 4: Simplify right side
    11,121.19x = 68,425,410.68
  5. Step 5: Solve for x
    x = 68,425,410.68/11,121.19
  6. Step 6: Final answer
    x = 6,152.71

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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.