Home / 10,057.02-15,086.20-2,661.38

Finding the Fourth Proportional to 10,057.02, 15,086.20 and 2,661.38

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Solution

The fourth proportional to 10,057.02, 15,086.20 and 2,661.38 is: 3,992.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.02 : 15,086.20 = 2,661.38 : x
  2. Step 2: Convert to fraction form
    10,057.02/15,086.20 = 2,661.38/x
  3. Step 3: Cross multiply
    10,057.02x = 15,086.20 × 2,661.38
  4. Step 4: Simplify right side
    10,057.02x = 40,150,110.96
  5. Step 5: Solve for x
    x = 40,150,110.96/10,057.02
  6. Step 6: Final answer
    x = 3,992.25

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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.