Home / 12,010.92-18,016.40-3,245.60

Finding the Fourth Proportional to 12,010.92, 18,016.40 and 3,245.60

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Solution

The fourth proportional to 12,010.92, 18,016.40 and 3,245.60 is: 4,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.92 : 18,016.40 = 3,245.60 : x
  2. Step 2: Convert to fraction form
    12,010.92/18,016.40 = 3,245.60/x
  3. Step 3: Cross multiply
    12,010.92x = 18,016.40 × 3,245.60
  4. Step 4: Simplify right side
    12,010.92x = 58,474,027.84
  5. Step 5: Solve for x
    x = 58,474,027.84/12,010.92
  6. Step 6: Final answer
    x = 4,868.41

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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.