Home / 20,610.82-30,918.62-6,565.92

Finding the Fourth Proportional to 20,610.82, 30,918.62 and 6,565.92

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Solution

The fourth proportional to 20,610.82, 30,918.62 and 6,565.92 is: 9,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.82 : 30,918.62 = 6,565.92 : x
  2. Step 2: Convert to fraction form
    20,610.82/30,918.62 = 6,565.92/x
  3. Step 3: Cross multiply
    20,610.82x = 30,918.62 × 6,565.92
  4. Step 4: Simplify right side
    20,610.82x = 203,009,185.43
  5. Step 5: Solve for x
    x = 203,009,185.43/20,610.82
  6. Step 6: Final answer
    x = 9,849.64

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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.