Home / 11,391.48-17,089.29-5,154.44

Finding the Fourth Proportional to 11,391.48, 17,089.29 and 5,154.44

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Solution

The fourth proportional to 11,391.48, 17,089.29 and 5,154.44 is: 7,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.48 : 17,089.29 = 5,154.44 : x
  2. Step 2: Convert to fraction form
    11,391.48/17,089.29 = 5,154.44/x
  3. Step 3: Cross multiply
    11,391.48x = 17,089.29 × 5,154.44
  4. Step 4: Simplify right side
    11,391.48x = 88,085,634.50
  5. Step 5: Solve for x
    x = 88,085,634.50/11,391.48
  6. Step 6: Final answer
    x = 7,732.59

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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.