Home / 12,016.28-18,024.42-4,223.30

Finding the Fourth Proportional to 12,016.28, 18,024.42 and 4,223.30

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Solution

The fourth proportional to 12,016.28, 18,024.42 and 4,223.30 is: 6,334.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.28 : 18,024.42 = 4,223.30 : x
  2. Step 2: Convert to fraction form
    12,016.28/18,024.42 = 4,223.30/x
  3. Step 3: Cross multiply
    12,016.28x = 18,024.42 × 4,223.30
  4. Step 4: Simplify right side
    12,016.28x = 76,122,532.99
  5. Step 5: Solve for x
    x = 76,122,532.99/12,016.28
  6. Step 6: Final answer
    x = 6,334.95

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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.