Home / 11,767.79-17,661.81-6,830.57

Finding the Fourth Proportional to 11,767.79, 17,661.81 and 6,830.57

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Solution

The fourth proportional to 11,767.79, 17,661.81 and 6,830.57 is: 10,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.79 : 17,661.81 = 6,830.57 : x
  2. Step 2: Convert to fraction form
    11,767.79/17,661.81 = 6,830.57/x
  3. Step 3: Cross multiply
    11,767.79x = 17,661.81 × 6,830.57
  4. Step 4: Simplify right side
    11,767.79x = 120,640,229.53
  5. Step 5: Solve for x
    x = 120,640,229.53/11,767.79
  6. Step 6: Final answer
    x = 10,251.73

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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.