Home / 11,410.17-17,115.26-3,618.38

Finding the Fourth Proportional to 11,410.17, 17,115.26 and 3,618.38

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Solution

The fourth proportional to 11,410.17, 17,115.26 and 3,618.38 is: 5,427.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,410.17 : 17,115.26 = 3,618.38 : x
  2. Step 2: Convert to fraction form
    11,410.17/17,115.26 = 3,618.38/x
  3. Step 3: Cross multiply
    11,410.17x = 17,115.26 × 3,618.38
  4. Step 4: Simplify right side
    11,410.17x = 61,929,410.81
  5. Step 5: Solve for x
    x = 61,929,410.81/11,410.17
  6. Step 6: Final answer
    x = 5,427.56

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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.