Home / 10,795.06-16,186.11-7,321.78

Finding the Fourth Proportional to 10,795.06, 16,186.11 and 7,321.78

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Solution

The fourth proportional to 10,795.06, 16,186.11 and 7,321.78 is: 10,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.06 : 16,186.11 = 7,321.78 : x
  2. Step 2: Convert to fraction form
    10,795.06/16,186.11 = 7,321.78/x
  3. Step 3: Cross multiply
    10,795.06x = 16,186.11 × 7,321.78
  4. Step 4: Simplify right side
    10,795.06x = 118,511,136.48
  5. Step 5: Solve for x
    x = 118,511,136.48/10,795.06
  6. Step 6: Final answer
    x = 10,978.27

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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.