Home / 11,821.56-17,734.17-4,029.78

Finding the Fourth Proportional to 11,821.56, 17,734.17 and 4,029.78

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Solution

The fourth proportional to 11,821.56, 17,734.17 and 4,029.78 is: 6,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.56 : 17,734.17 = 4,029.78 : x
  2. Step 2: Convert to fraction form
    11,821.56/17,734.17 = 4,029.78/x
  3. Step 3: Cross multiply
    11,821.56x = 17,734.17 × 4,029.78
  4. Step 4: Simplify right side
    11,821.56x = 71,464,803.58
  5. Step 5: Solve for x
    x = 71,464,803.58/11,821.56
  6. Step 6: Final answer
    x = 6,045.29

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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.