Home / 10,759.67-16,145.75-4,519.20

Finding the Fourth Proportional to 10,759.67, 16,145.75 and 4,519.20

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Solution

The fourth proportional to 10,759.67, 16,145.75 and 4,519.20 is: 6,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.67 : 16,145.75 = 4,519.20 : x
  2. Step 2: Convert to fraction form
    10,759.67/16,145.75 = 4,519.20/x
  3. Step 3: Cross multiply
    10,759.67x = 16,145.75 × 4,519.20
  4. Step 4: Simplify right side
    10,759.67x = 72,965,884.70
  5. Step 5: Solve for x
    x = 72,965,884.70/10,759.67
  6. Step 6: Final answer
    x = 6,781.43

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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.