Home / 11,261.10-16,891.74-3,469.98

Finding the Fourth Proportional to 11,261.10, 16,891.74 and 3,469.98

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Solution

The fourth proportional to 11,261.10, 16,891.74 and 3,469.98 is: 5,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.10 : 16,891.74 = 3,469.98 : x
  2. Step 2: Convert to fraction form
    11,261.10/16,891.74 = 3,469.98/x
  3. Step 3: Cross multiply
    11,261.10x = 16,891.74 × 3,469.98
  4. Step 4: Simplify right side
    11,261.10x = 58,613,999.97
  5. Step 5: Solve for x
    x = 58,613,999.97/11,261.10
  6. Step 6: Final answer
    x = 5,205.00

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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.