Home / 11,126.39-16,684.20-4,109.71

Finding the Fourth Proportional to 11,126.39, 16,684.20 and 4,109.71

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Solution

The fourth proportional to 11,126.39, 16,684.20 and 4,109.71 is: 6,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.39 : 16,684.20 = 4,109.71 : x
  2. Step 2: Convert to fraction form
    11,126.39/16,684.20 = 4,109.71/x
  3. Step 3: Cross multiply
    11,126.39x = 16,684.20 × 4,109.71
  4. Step 4: Simplify right side
    11,126.39x = 68,567,223.58
  5. Step 5: Solve for x
    x = 68,567,223.58/11,126.39
  6. Step 6: Final answer
    x = 6,162.58

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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.