Home / 8,835.78-12,205.17-6,191.94

Finding the Fourth Proportional to 8,835.78, 12,205.17 and 6,191.94

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Solution

The fourth proportional to 8,835.78, 12,205.17 and 6,191.94 is: 8,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.78 : 12,205.17 = 6,191.94 : x
  2. Step 2: Convert to fraction form
    8,835.78/12,205.17 = 6,191.94/x
  3. Step 3: Cross multiply
    8,835.78x = 12,205.17 × 6,191.94
  4. Step 4: Simplify right side
    8,835.78x = 75,573,680.33
  5. Step 5: Solve for x
    x = 75,573,680.33/8,835.78
  6. Step 6: Final answer
    x = 8,553.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.