Home / 12,198.33-18,297.49-4,798.74

Finding the Fourth Proportional to 12,198.33, 18,297.49 and 4,798.74

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Solution

The fourth proportional to 12,198.33, 18,297.49 and 4,798.74 is: 7,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.33 : 18,297.49 = 4,798.74 : x
  2. Step 2: Convert to fraction form
    12,198.33/18,297.49 = 4,798.74/x
  3. Step 3: Cross multiply
    12,198.33x = 18,297.49 × 4,798.74
  4. Step 4: Simplify right side
    12,198.33x = 87,804,897.16
  5. Step 5: Solve for x
    x = 87,804,897.16/12,198.33
  6. Step 6: Final answer
    x = 7,198.11

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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.