Home / 12,121.74-16,757.82-12,010.86

Finding the Fourth Proportional to 12,121.74, 16,757.82 and 12,010.86

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Solution

The fourth proportional to 12,121.74, 16,757.82 and 12,010.86 is: 16,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121.74 : 16,757.82 = 12,010.86 : x
  2. Step 2: Convert to fraction form
    12,121.74/16,757.82 = 12,010.86/x
  3. Step 3: Cross multiply
    12,121.74x = 16,757.82 × 12,010.86
  4. Step 4: Simplify right side
    12,121.74x = 201,275,829.93
  5. Step 5: Solve for x
    x = 201,275,829.93/12,121.74
  6. Step 6: Final answer
    x = 16,604.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.