Home / 12,627.49-18,939.68-3,266.73

Finding the Fourth Proportional to 12,627.49, 18,939.68 and 3,266.73

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Solution

The fourth proportional to 12,627.49, 18,939.68 and 3,266.73 is: 4,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.49 : 18,939.68 = 3,266.73 : x
  2. Step 2: Convert to fraction form
    12,627.49/18,939.68 = 3,266.73/x
  3. Step 3: Cross multiply
    12,627.49x = 18,939.68 × 3,266.73
  4. Step 4: Simplify right side
    12,627.49x = 61,870,825.95
  5. Step 5: Solve for x
    x = 61,870,825.95/12,627.49
  6. Step 6: Final answer
    x = 4,899.69

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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.