Home / 11,755.05-17,632.64-2,989.97

Finding the Fourth Proportional to 11,755.05, 17,632.64 and 2,989.97

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Solution

The fourth proportional to 11,755.05, 17,632.64 and 2,989.97 is: 4,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.05 : 17,632.64 = 2,989.97 : x
  2. Step 2: Convert to fraction form
    11,755.05/17,632.64 = 2,989.97/x
  3. Step 3: Cross multiply
    11,755.05x = 17,632.64 × 2,989.97
  4. Step 4: Simplify right side
    11,755.05x = 52,721,064.62
  5. Step 5: Solve for x
    x = 52,721,064.62/11,755.05
  6. Step 6: Final answer
    x = 4,484.97

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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.