Home / 11,530.80-17,298.36-3,739.68

Finding the Fourth Proportional to 11,530.80, 17,298.36 and 3,739.68

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Solution

The fourth proportional to 11,530.80, 17,298.36 and 3,739.68 is: 5,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.80 : 17,298.36 = 3,739.68 : x
  2. Step 2: Convert to fraction form
    11,530.80/17,298.36 = 3,739.68/x
  3. Step 3: Cross multiply
    11,530.80x = 17,298.36 × 3,739.68
  4. Step 4: Simplify right side
    11,530.80x = 64,690,330.92
  5. Step 5: Solve for x
    x = 64,690,330.92/11,530.80
  6. Step 6: Final answer
    x = 5,610.22

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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.