Home / 11,406.43-17,109.55-3,087.29

Finding the Fourth Proportional to 11,406.43, 17,109.55 and 3,087.29

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Solution

The fourth proportional to 11,406.43, 17,109.55 and 3,087.29 is: 4,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.43 : 17,109.55 = 3,087.29 : x
  2. Step 2: Convert to fraction form
    11,406.43/17,109.55 = 3,087.29/x
  3. Step 3: Cross multiply
    11,406.43x = 17,109.55 × 3,087.29
  4. Step 4: Simplify right side
    11,406.43x = 52,822,177.68
  5. Step 5: Solve for x
    x = 52,822,177.68/11,406.43
  6. Step 6: Final answer
    x = 4,630.91

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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.