Home / 10,768.43-16,149.53-4,193.15

Finding the Fourth Proportional to 10,768.43, 16,149.53 and 4,193.15

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Solution

The fourth proportional to 10,768.43, 16,149.53 and 4,193.15 is: 6,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.43 : 16,149.53 = 4,193.15 : x
  2. Step 2: Convert to fraction form
    10,768.43/16,149.53 = 4,193.15/x
  3. Step 3: Cross multiply
    10,768.43x = 16,149.53 × 4,193.15
  4. Step 4: Simplify right side
    10,768.43x = 67,717,380.75
  5. Step 5: Solve for x
    x = 67,717,380.75/10,768.43
  6. Step 6: Final answer
    x = 6,288.51

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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.