Home / 11,338.57-17,009.40-3,942.07

Finding the Fourth Proportional to 11,338.57, 17,009.40 and 3,942.07

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Solution

The fourth proportional to 11,338.57, 17,009.40 and 3,942.07 is: 5,913.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.57 : 17,009.40 = 3,942.07 : x
  2. Step 2: Convert to fraction form
    11,338.57/17,009.40 = 3,942.07/x
  3. Step 3: Cross multiply
    11,338.57x = 17,009.40 × 3,942.07
  4. Step 4: Simplify right side
    11,338.57x = 67,052,292.84
  5. Step 5: Solve for x
    x = 67,052,292.84/11,338.57
  6. Step 6: Final answer
    x = 5,913.65

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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.