Home / 11,882.05-17,821.72-3,117.66

Finding the Fourth Proportional to 11,882.05, 17,821.72 and 3,117.66

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Solution

The fourth proportional to 11,882.05, 17,821.72 and 3,117.66 is: 4,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.05 : 17,821.72 = 3,117.66 : x
  2. Step 2: Convert to fraction form
    11,882.05/17,821.72 = 3,117.66/x
  3. Step 3: Cross multiply
    11,882.05x = 17,821.72 × 3,117.66
  4. Step 4: Simplify right side
    11,882.05x = 55,562,063.58
  5. Step 5: Solve for x
    x = 55,562,063.58/11,882.05
  6. Step 6: Final answer
    x = 4,676.13

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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.