Home / 12,206.80-18,301.98-4,414.60

Finding the Fourth Proportional to 12,206.80, 18,301.98 and 4,414.60

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Solution

The fourth proportional to 12,206.80, 18,301.98 and 4,414.60 is: 6,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.80 : 18,301.98 = 4,414.60 : x
  2. Step 2: Convert to fraction form
    12,206.80/18,301.98 = 4,414.60/x
  3. Step 3: Cross multiply
    12,206.80x = 18,301.98 × 4,414.60
  4. Step 4: Simplify right side
    12,206.80x = 80,795,920.91
  5. Step 5: Solve for x
    x = 80,795,920.91/12,206.80
  6. Step 6: Final answer
    x = 6,618.93

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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.