Home / 20,646.82-30,976.62-7,499.26

Finding the Fourth Proportional to 20,646.82, 30,976.62 and 7,499.26

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Solution

The fourth proportional to 20,646.82, 30,976.62 and 7,499.26 is: 11,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.82 : 30,976.62 = 7,499.26 : x
  2. Step 2: Convert to fraction form
    20,646.82/30,976.62 = 7,499.26/x
  3. Step 3: Cross multiply
    20,646.82x = 30,976.62 × 7,499.26
  4. Step 4: Simplify right side
    20,646.82x = 232,301,727.30
  5. Step 5: Solve for x
    x = 232,301,727.30/20,646.82
  6. Step 6: Final answer
    x = 11,251.21

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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.