Home / 11,338.67-17,015.76-3,943.12

Finding the Fourth Proportional to 11,338.67, 17,015.76 and 3,943.12

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Solution

The fourth proportional to 11,338.67, 17,015.76 and 3,943.12 is: 5,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.67 : 17,015.76 = 3,943.12 : x
  2. Step 2: Convert to fraction form
    11,338.67/17,015.76 = 3,943.12/x
  3. Step 3: Cross multiply
    11,338.67x = 17,015.76 × 3,943.12
  4. Step 4: Simplify right side
    11,338.67x = 67,095,163.86
  5. Step 5: Solve for x
    x = 67,095,163.86/11,338.67
  6. Step 6: Final answer
    x = 5,917.38

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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.