Home / 11,391.20-17,055.92-5,907.68

Finding the Fourth Proportional to 11,391.20, 17,055.92 and 5,907.68

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Solution

The fourth proportional to 11,391.20, 17,055.92 and 5,907.68 is: 8,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.20 : 17,055.92 = 5,907.68 : x
  2. Step 2: Convert to fraction form
    11,391.20/17,055.92 = 5,907.68/x
  3. Step 3: Cross multiply
    11,391.20x = 17,055.92 × 5,907.68
  4. Step 4: Simplify right side
    11,391.20x = 100,760,917.47
  5. Step 5: Solve for x
    x = 100,760,917.47/11,391.20
  6. Step 6: Final answer
    x = 8,845.51

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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.