Home / 11,584.41-15,986.52-6,279.25

Finding the Fourth Proportional to 11,584.41, 15,986.52 and 6,279.25

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Solution

The fourth proportional to 11,584.41, 15,986.52 and 6,279.25 is: 8,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.41 : 15,986.52 = 6,279.25 : x
  2. Step 2: Convert to fraction form
    11,584.41/15,986.52 = 6,279.25/x
  3. Step 3: Cross multiply
    11,584.41x = 15,986.52 × 6,279.25
  4. Step 4: Simplify right side
    11,584.41x = 100,383,244.38
  5. Step 5: Solve for x
    x = 100,383,244.38/11,584.41
  6. Step 6: Final answer
    x = 8,665.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.