Home / 11,943.56-17,915.39-3,623.65

Finding the Fourth Proportional to 11,943.56, 17,915.39 and 3,623.65

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Solution

The fourth proportional to 11,943.56, 17,915.39 and 3,623.65 is: 5,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.56 : 17,915.39 = 3,623.65 : x
  2. Step 2: Convert to fraction form
    11,943.56/17,915.39 = 3,623.65/x
  3. Step 3: Cross multiply
    11,943.56x = 17,915.39 × 3,623.65
  4. Step 4: Simplify right side
    11,943.56x = 64,919,040.07
  5. Step 5: Solve for x
    x = 64,919,040.07/11,943.56
  6. Step 6: Final answer
    x = 5,435.48

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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.