Home / 12,046.52-18,069.78-3,281.48

Finding the Fourth Proportional to 12,046.52, 18,069.78 and 3,281.48

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Solution

The fourth proportional to 12,046.52, 18,069.78 and 3,281.48 is: 4,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.52 : 18,069.78 = 3,281.48 : x
  2. Step 2: Convert to fraction form
    12,046.52/18,069.78 = 3,281.48/x
  3. Step 3: Cross multiply
    12,046.52x = 18,069.78 × 3,281.48
  4. Step 4: Simplify right side
    12,046.52x = 59,295,621.67
  5. Step 5: Solve for x
    x = 59,295,621.67/12,046.52
  6. Step 6: Final answer
    x = 4,922.22

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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.