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Finding the Fourth Proportional to 8,013.88, 12,019.82 and 2,170.92

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Solution

The fourth proportional to 8,013.88, 12,019.82 and 2,170.92 is: 3,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.88 : 12,019.82 = 2,170.92 : x
  2. Step 2: Convert to fraction form
    8,013.88/12,019.82 = 2,170.92/x
  3. Step 3: Cross multiply
    8,013.88x = 12,019.82 × 2,170.92
  4. Step 4: Simplify right side
    8,013.88x = 26,094,067.63
  5. Step 5: Solve for x
    x = 26,094,067.63/8,013.88
  6. Step 6: Final answer
    x = 3,256.11

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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.