Home / 12,014.28-18,021.36-3,249.18

Finding the Fourth Proportional to 12,014.28, 18,021.36 and 3,249.18

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Solution

The fourth proportional to 12,014.28, 18,021.36 and 3,249.18 is: 4,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.28 : 18,021.36 = 3,249.18 : x
  2. Step 2: Convert to fraction form
    12,014.28/18,021.36 = 3,249.18/x
  3. Step 3: Cross multiply
    12,014.28x = 18,021.36 × 3,249.18
  4. Step 4: Simplify right side
    12,014.28x = 58,554,642.48
  5. Step 5: Solve for x
    x = 58,554,642.48/12,014.28
  6. Step 6: Final answer
    x = 4,873.75

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Double scale
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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.