Home / 12,546.33-18,815.57-4,540.09

Finding the Fourth Proportional to 12,546.33, 18,815.57 and 4,540.09

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Solution

The fourth proportional to 12,546.33, 18,815.57 and 4,540.09 is: 6,808.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.33 : 18,815.57 = 4,540.09 : x
  2. Step 2: Convert to fraction form
    12,546.33/18,815.57 = 4,540.09/x
  3. Step 3: Cross multiply
    12,546.33x = 18,815.57 × 4,540.09
  4. Step 4: Simplify right side
    12,546.33x = 85,424,381.20
  5. Step 5: Solve for x
    x = 85,424,381.20/12,546.33
  6. Step 6: Final answer
    x = 6,808.71

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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.