Home / 12,016.89-18,025.20-4,225.59

Finding the Fourth Proportional to 12,016.89, 18,025.20 and 4,225.59

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Solution

The fourth proportional to 12,016.89, 18,025.20 and 4,225.59 is: 6,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.89 : 18,025.20 = 4,225.59 : x
  2. Step 2: Convert to fraction form
    12,016.89/18,025.20 = 4,225.59/x
  3. Step 3: Cross multiply
    12,016.89x = 18,025.20 × 4,225.59
  4. Step 4: Simplify right side
    12,016.89x = 76,167,104.87
  5. Step 5: Solve for x
    x = 76,167,104.87/12,016.89
  6. Step 6: Final answer
    x = 6,338.34

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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.