Home / 12,305.82-18,458.73-6,148.38

Finding the Fourth Proportional to 12,305.82, 18,458.73 and 6,148.38

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Solution

The fourth proportional to 12,305.82, 18,458.73 and 6,148.38 is: 9,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305.82 : 18,458.73 = 6,148.38 : x
  2. Step 2: Convert to fraction form
    12,305.82/18,458.73 = 6,148.38/x
  3. Step 3: Cross multiply
    12,305.82x = 18,458.73 × 6,148.38
  4. Step 4: Simplify right side
    12,305.82x = 113,491,286.36
  5. Step 5: Solve for x
    x = 113,491,286.36/12,305.82
  6. Step 6: Final answer
    x = 9,222.57

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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.