Home / 9,308.12-12,843.20-6,790.83

Finding the Fourth Proportional to 9,308.12, 12,843.20 and 6,790.83

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Solution

The fourth proportional to 9,308.12, 12,843.20 and 6,790.83 is: 9,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.12 : 12,843.20 = 6,790.83 : x
  2. Step 2: Convert to fraction form
    9,308.12/12,843.20 = 6,790.83/x
  3. Step 3: Cross multiply
    9,308.12x = 12,843.20 × 6,790.83
  4. Step 4: Simplify right side
    9,308.12x = 87,215,953.90
  5. Step 5: Solve for x
    x = 87,215,953.90/9,308.12
  6. Step 6: Final answer
    x = 9,369.88

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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.