Home / 11,338.68-17,009.56-3,942.18

Finding the Fourth Proportional to 11,338.68, 17,009.56 and 3,942.18

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Solution

The fourth proportional to 11,338.68, 17,009.56 and 3,942.18 is: 5,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.68 : 17,009.56 = 3,942.18 : x
  2. Step 2: Convert to fraction form
    11,338.68/17,009.56 = 3,942.18/x
  3. Step 3: Cross multiply
    11,338.68x = 17,009.56 × 3,942.18
  4. Step 4: Simplify right side
    11,338.68x = 67,054,794.69
  5. Step 5: Solve for x
    x = 67,054,794.69/11,338.68
  6. Step 6: Final answer
    x = 5,913.81

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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.