Home / 10,499.86-15,745.08-3,101.73

Finding the Fourth Proportional to 10,499.86, 15,745.08 and 3,101.73

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Solution

The fourth proportional to 10,499.86, 15,745.08 and 3,101.73 is: 4,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,499.86 : 15,745.08 = 3,101.73 : x
  2. Step 2: Convert to fraction form
    10,499.86/15,745.08 = 3,101.73/x
  3. Step 3: Cross multiply
    10,499.86x = 15,745.08 × 3,101.73
  4. Step 4: Simplify right side
    10,499.86x = 48,836,939.58
  5. Step 5: Solve for x
    x = 48,836,939.58/10,499.86
  6. Step 6: Final answer
    x = 4,651.20

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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.