Home / 9,214.97-12,711.80-6,231.80

Finding the Fourth Proportional to 9,214.97, 12,711.80 and 6,231.80

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Solution

The fourth proportional to 9,214.97, 12,711.80 and 6,231.80 is: 8,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.97 : 12,711.80 = 6,231.80 : x
  2. Step 2: Convert to fraction form
    9,214.97/12,711.80 = 6,231.80/x
  3. Step 3: Cross multiply
    9,214.97x = 12,711.80 × 6,231.80
  4. Step 4: Simplify right side
    9,214.97x = 79,217,442.60
  5. Step 5: Solve for x
    x = 79,217,442.60/9,214.97
  6. Step 6: Final answer
    x = 8,596.61

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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.