Home / 11,827.72-17,704.68-8,711.25

Finding the Fourth Proportional to 11,827.72, 17,704.68 and 8,711.25

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Solution

The fourth proportional to 11,827.72, 17,704.68 and 8,711.25 is: 13,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.72 : 17,704.68 = 8,711.25 : x
  2. Step 2: Convert to fraction form
    11,827.72/17,704.68 = 8,711.25/x
  3. Step 3: Cross multiply
    11,827.72x = 17,704.68 × 8,711.25
  4. Step 4: Simplify right side
    11,827.72x = 154,229,794.59
  5. Step 5: Solve for x
    x = 154,229,794.59/11,827.72
  6. Step 6: Final answer
    x = 13,039.69

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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.