Home / 11,172.69-16,755.12-3,273.03

Finding the Fourth Proportional to 11,172.69, 16,755.12 and 3,273.03

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Solution

The fourth proportional to 11,172.69, 16,755.12 and 3,273.03 is: 4,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.69 : 16,755.12 = 3,273.03 : x
  2. Step 2: Convert to fraction form
    11,172.69/16,755.12 = 3,273.03/x
  3. Step 3: Cross multiply
    11,172.69x = 16,755.12 × 3,273.03
  4. Step 4: Simplify right side
    11,172.69x = 54,840,010.41
  5. Step 5: Solve for x
    x = 54,840,010.41/11,172.69
  6. Step 6: Final answer
    x = 4,908.40

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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.