Home / 12,049.36-18,071.20-3,282.20

Finding the Fourth Proportional to 12,049.36, 18,071.20 and 3,282.20

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Solution

The fourth proportional to 12,049.36, 18,071.20 and 3,282.20 is: 4,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.36 : 18,071.20 = 3,282.20 : x
  2. Step 2: Convert to fraction form
    12,049.36/18,071.20 = 3,282.20/x
  3. Step 3: Cross multiply
    12,049.36x = 18,071.20 × 3,282.20
  4. Step 4: Simplify right side
    12,049.36x = 59,313,292.64
  5. Step 5: Solve for x
    x = 59,313,292.64/12,049.36
  6. Step 6: Final answer
    x = 4,922.53

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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.