Home / 12,546.06-18,820.39-4,227

Finding the Fourth Proportional to 12,546.06, 18,820.39 and 4,227

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Solution

The fourth proportional to 12,546.06, 18,820.39 and 4,227 is: 6,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.06 : 18,820.39 = 4,227 : x
  2. Step 2: Convert to fraction form
    12,546.06/18,820.39 = 4,227/x
  3. Step 3: Cross multiply
    12,546.06x = 18,820.39 × 4,227
  4. Step 4: Simplify right side
    12,546.06x = 79,553,788.53
  5. Step 5: Solve for x
    x = 79,553,788.53/12,546.06
  6. Step 6: Final answer
    x = 6,340.94

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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.