Home / 10,759.44-16,143.30-4,190.25

Finding the Fourth Proportional to 10,759.44, 16,143.30 and 4,190.25

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Solution

The fourth proportional to 10,759.44, 16,143.30 and 4,190.25 is: 6,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.44 : 16,143.30 = 4,190.25 : x
  2. Step 2: Convert to fraction form
    10,759.44/16,143.30 = 4,190.25/x
  3. Step 3: Cross multiply
    10,759.44x = 16,143.30 × 4,190.25
  4. Step 4: Simplify right side
    10,759.44x = 67,644,462.83
  5. Step 5: Solve for x
    x = 67,644,462.83/10,759.44
  6. Step 6: Final answer
    x = 6,286.99

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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.