Home / 11,279.45-16,918.97-3,883.74

Finding the Fourth Proportional to 11,279.45, 16,918.97 and 3,883.74

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Solution

The fourth proportional to 11,279.45, 16,918.97 and 3,883.74 is: 5,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.45 : 16,918.97 = 3,883.74 : x
  2. Step 2: Convert to fraction form
    11,279.45/16,918.97 = 3,883.74/x
  3. Step 3: Cross multiply
    11,279.45x = 16,918.97 × 3,883.74
  4. Step 4: Simplify right side
    11,279.45x = 65,708,868.41
  5. Step 5: Solve for x
    x = 65,708,868.41/11,279.45
  6. Step 6: Final answer
    x = 5,825.54

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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.