Home / 9,327.14-12,855.22-6,805.09

Finding the Fourth Proportional to 9,327.14, 12,855.22 and 6,805.09

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Solution

The fourth proportional to 9,327.14, 12,855.22 and 6,805.09 is: 9,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.14 : 12,855.22 = 6,805.09 : x
  2. Step 2: Convert to fraction form
    9,327.14/12,855.22 = 6,805.09/x
  3. Step 3: Cross multiply
    9,327.14x = 12,855.22 × 6,805.09
  4. Step 4: Simplify right side
    9,327.14x = 87,480,879.92
  5. Step 5: Solve for x
    x = 87,480,879.92/9,327.14
  6. Step 6: Final answer
    x = 9,379.18

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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.