Home / 12,198.68-18,293.92-4,801.20

Finding the Fourth Proportional to 12,198.68, 18,293.92 and 4,801.20

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Solution

The fourth proportional to 12,198.68, 18,293.92 and 4,801.20 is: 7,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.68 : 18,293.92 = 4,801.20 : x
  2. Step 2: Convert to fraction form
    12,198.68/18,293.92 = 4,801.20/x
  3. Step 3: Cross multiply
    12,198.68x = 18,293.92 × 4,801.20
  4. Step 4: Simplify right side
    12,198.68x = 87,832,768.70
  5. Step 5: Solve for x
    x = 87,832,768.70/12,198.68
  6. Step 6: Final answer
    x = 7,200.19

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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.