Home / 8,238.09-12,357.14-6,383.70

Finding the Fourth Proportional to 8,238.09, 12,357.14 and 6,383.70

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Solution

The fourth proportional to 8,238.09, 12,357.14 and 6,383.70 is: 9,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.09 : 12,357.14 = 6,383.70 : x
  2. Step 2: Convert to fraction form
    8,238.09/12,357.14 = 6,383.70/x
  3. Step 3: Cross multiply
    8,238.09x = 12,357.14 × 6,383.70
  4. Step 4: Simplify right side
    8,238.09x = 78,884,274.62
  5. Step 5: Solve for x
    x = 78,884,274.62/8,238.09
  6. Step 6: Final answer
    x = 9,575.55

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Similar ratio
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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.