Home / 20,208.82-30,317.99-6,357.82

Finding the Fourth Proportional to 20,208.82, 30,317.99 and 6,357.82

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Solution

The fourth proportional to 20,208.82, 30,317.99 and 6,357.82 is: 9,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.82 : 30,317.99 = 6,357.82 : x
  2. Step 2: Convert to fraction form
    20,208.82/30,317.99 = 6,357.82/x
  3. Step 3: Cross multiply
    20,208.82x = 30,317.99 × 6,357.82
  4. Step 4: Simplify right side
    20,208.82x = 192,756,323.18
  5. Step 5: Solve for x
    x = 192,756,323.18/20,208.82
  6. Step 6: Final answer
    x = 9,538.23

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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.