Home / 11,882.82-17,824.22-3,117.72

Finding the Fourth Proportional to 11,882.82, 17,824.22 and 3,117.72

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Solution

The fourth proportional to 11,882.82, 17,824.22 and 3,117.72 is: 4,676.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.82 : 17,824.22 = 3,117.72 : x
  2. Step 2: Convert to fraction form
    11,882.82/17,824.22 = 3,117.72/x
  3. Step 3: Cross multiply
    11,882.82x = 17,824.22 × 3,117.72
  4. Step 4: Simplify right side
    11,882.82x = 55,570,927.18
  5. Step 5: Solve for x
    x = 55,570,927.18/11,882.82
  6. Step 6: Final answer
    x = 4,676.58

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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.