Home / 10,729.88-16,087.14-4,883.48

Finding the Fourth Proportional to 10,729.88, 16,087.14 and 4,883.48

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Solution

The fourth proportional to 10,729.88, 16,087.14 and 4,883.48 is: 7,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.88 : 16,087.14 = 4,883.48 : x
  2. Step 2: Convert to fraction form
    10,729.88/16,087.14 = 4,883.48/x
  3. Step 3: Cross multiply
    10,729.88x = 16,087.14 × 4,883.48
  4. Step 4: Simplify right side
    10,729.88x = 78,561,226.45
  5. Step 5: Solve for x
    x = 78,561,226.45/10,729.88
  6. Step 6: Final answer
    x = 7,321.72

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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.