Home / 12,845.92-19,270.16-3,486.09

Finding the Fourth Proportional to 12,845.92, 19,270.16 and 3,486.09

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Solution

The fourth proportional to 12,845.92, 19,270.16 and 3,486.09 is: 5,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.92 : 19,270.16 = 3,486.09 : x
  2. Step 2: Convert to fraction form
    12,845.92/19,270.16 = 3,486.09/x
  3. Step 3: Cross multiply
    12,845.92x = 19,270.16 × 3,486.09
  4. Step 4: Simplify right side
    12,845.92x = 67,177,512.07
  5. Step 5: Solve for x
    x = 67,177,512.07/12,845.92
  6. Step 6: Final answer
    x = 5,229.48

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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.