Home / 11,418.21-17,127.33-3,098.22

Finding the Fourth Proportional to 11,418.21, 17,127.33 and 3,098.22

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Solution

The fourth proportional to 11,418.21, 17,127.33 and 3,098.22 is: 4,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.21 : 17,127.33 = 3,098.22 : x
  2. Step 2: Convert to fraction form
    11,418.21/17,127.33 = 3,098.22/x
  3. Step 3: Cross multiply
    11,418.21x = 17,127.33 × 3,098.22
  4. Step 4: Simplify right side
    11,418.21x = 53,064,236.35
  5. Step 5: Solve for x
    x = 53,064,236.35/11,418.21
  6. Step 6: Final answer
    x = 4,647.33

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Similar ratio
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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.