Home / 11,135.30-16,705.10-3,739.86

Finding the Fourth Proportional to 11,135.30, 16,705.10 and 3,739.86

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Solution

The fourth proportional to 11,135.30, 16,705.10 and 3,739.86 is: 5,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.30 : 16,705.10 = 3,739.86 : x
  2. Step 2: Convert to fraction form
    11,135.30/16,705.10 = 3,739.86/x
  3. Step 3: Cross multiply
    11,135.30x = 16,705.10 × 3,739.86
  4. Step 4: Simplify right side
    11,135.30x = 62,474,735.29
  5. Step 5: Solve for x
    x = 62,474,735.29/11,135.30
  6. Step 6: Final answer
    x = 5,610.51

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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.