Home / 12,414.58-18,621.96-3,180.58

Finding the Fourth Proportional to 12,414.58, 18,621.96 and 3,180.58

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Solution

The fourth proportional to 12,414.58, 18,621.96 and 3,180.58 is: 4,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.58 : 18,621.96 = 3,180.58 : x
  2. Step 2: Convert to fraction form
    12,414.58/18,621.96 = 3,180.58/x
  3. Step 3: Cross multiply
    12,414.58x = 18,621.96 × 3,180.58
  4. Step 4: Simplify right side
    12,414.58x = 59,228,633.54
  5. Step 5: Solve for x
    x = 59,228,633.54/12,414.58
  6. Step 6: Final answer
    x = 4,770.89

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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.