Home / 10,530.80-15,796.17-2,739.60

Finding the Fourth Proportional to 10,530.80, 15,796.17 and 2,739.60

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Solution

The fourth proportional to 10,530.80, 15,796.17 and 2,739.60 is: 4,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.80 : 15,796.17 = 2,739.60 : x
  2. Step 2: Convert to fraction form
    10,530.80/15,796.17 = 2,739.60/x
  3. Step 3: Cross multiply
    10,530.80x = 15,796.17 × 2,739.60
  4. Step 4: Simplify right side
    10,530.80x = 43,275,187.33
  5. Step 5: Solve for x
    x = 43,275,187.33/10,530.80
  6. Step 6: Final answer
    x = 4,109.39

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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.