Home / 11,391.28-17,063.47-10,078.44

Finding the Fourth Proportional to 11,391.28, 17,063.47 and 10,078.44

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Solution

The fourth proportional to 11,391.28, 17,063.47 and 10,078.44 is: 15,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.28 : 17,063.47 = 10,078.44 : x
  2. Step 2: Convert to fraction form
    11,391.28/17,063.47 = 10,078.44/x
  3. Step 3: Cross multiply
    11,391.28x = 17,063.47 × 10,078.44
  4. Step 4: Simplify right side
    11,391.28x = 171,973,140.47
  5. Step 5: Solve for x
    x = 171,973,140.47/11,391.28
  6. Step 6: Final answer
    x = 15,096.91

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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.