Home / 11,338.91-17,008.56-3,943.61

Finding the Fourth Proportional to 11,338.91, 17,008.56 and 3,943.61

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Solution

The fourth proportional to 11,338.91, 17,008.56 and 3,943.61 is: 5,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.91 : 17,008.56 = 3,943.61 : x
  2. Step 2: Convert to fraction form
    11,338.91/17,008.56 = 3,943.61/x
  3. Step 3: Cross multiply
    11,338.91x = 17,008.56 × 3,943.61
  4. Step 4: Simplify right side
    11,338.91x = 67,075,127.30
  5. Step 5: Solve for x
    x = 67,075,127.30/11,338.91
  6. Step 6: Final answer
    x = 5,915.48

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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.