Home / 12,039.22-16,684.15-11,805.94

Finding the Fourth Proportional to 12,039.22, 16,684.15 and 11,805.94

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Solution

The fourth proportional to 12,039.22, 16,684.15 and 11,805.94 is: 16,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.22 : 16,684.15 = 11,805.94 : x
  2. Step 2: Convert to fraction form
    12,039.22/16,684.15 = 11,805.94/x
  3. Step 3: Cross multiply
    12,039.22x = 16,684.15 × 11,805.94
  4. Step 4: Simplify right side
    12,039.22x = 196,972,073.85
  5. Step 5: Solve for x
    x = 196,972,073.85/12,039.22
  6. Step 6: Final answer
    x = 16,360.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.