Home / 11,671.86-17,507.55-2,906.85

Finding the Fourth Proportional to 11,671.86, 17,507.55 and 2,906.85

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Solution

The fourth proportional to 11,671.86, 17,507.55 and 2,906.85 is: 4,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.86 : 17,507.55 = 2,906.85 : x
  2. Step 2: Convert to fraction form
    11,671.86/17,507.55 = 2,906.85/x
  3. Step 3: Cross multiply
    11,671.86x = 17,507.55 × 2,906.85
  4. Step 4: Simplify right side
    11,671.86x = 50,891,821.72
  5. Step 5: Solve for x
    x = 50,891,821.72/11,671.86
  6. Step 6: Final answer
    x = 4,360.22

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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.