Home / 10,135.37-15,202.11-2,739.80

Finding the Fourth Proportional to 10,135.37, 15,202.11 and 2,739.80

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Solution

The fourth proportional to 10,135.37, 15,202.11 and 2,739.80 is: 4,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.37 : 15,202.11 = 2,739.80 : x
  2. Step 2: Convert to fraction form
    10,135.37/15,202.11 = 2,739.80/x
  3. Step 3: Cross multiply
    10,135.37x = 15,202.11 × 2,739.80
  4. Step 4: Simplify right side
    10,135.37x = 41,650,740.98
  5. Step 5: Solve for x
    x = 41,650,740.98/10,135.37
  6. Step 6: Final answer
    x = 4,109.44

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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.