Home / 10,163.35-15,245.02-6,699.79

Finding the Fourth Proportional to 10,163.35, 15,245.02 and 6,699.79

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Solution

The fourth proportional to 10,163.35, 15,245.02 and 6,699.79 is: 10,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.35 : 15,245.02 = 6,699.79 : x
  2. Step 2: Convert to fraction form
    10,163.35/15,245.02 = 6,699.79/x
  3. Step 3: Cross multiply
    10,163.35x = 15,245.02 × 6,699.79
  4. Step 4: Simplify right side
    10,163.35x = 102,138,415.37
  5. Step 5: Solve for x
    x = 102,138,415.37/10,163.35
  6. Step 6: Final answer
    x = 10,049.68

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Similar ratio
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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.