Home / 11,352.11-17,028.06-2,918.57

Finding the Fourth Proportional to 11,352.11, 17,028.06 and 2,918.57

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Solution

The fourth proportional to 11,352.11, 17,028.06 and 2,918.57 is: 4,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.11 : 17,028.06 = 2,918.57 : x
  2. Step 2: Convert to fraction form
    11,352.11/17,028.06 = 2,918.57/x
  3. Step 3: Cross multiply
    11,352.11x = 17,028.06 × 2,918.57
  4. Step 4: Simplify right side
    11,352.11x = 49,697,499.93
  5. Step 5: Solve for x
    x = 49,697,499.93/11,352.11
  6. Step 6: Final answer
    x = 4,377.82

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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.