Home / 20,383.26-30,567.14-8,537.82

Finding the Fourth Proportional to 20,383.26, 30,567.14 and 8,537.82

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Solution

The fourth proportional to 20,383.26, 30,567.14 and 8,537.82 is: 12,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383.26 : 30,567.14 = 8,537.82 : x
  2. Step 2: Convert to fraction form
    20,383.26/30,567.14 = 8,537.82/x
  3. Step 3: Cross multiply
    20,383.26x = 30,567.14 × 8,537.82
  4. Step 4: Simplify right side
    20,383.26x = 260,976,739.23
  5. Step 5: Solve for x
    x = 260,976,739.23/20,383.26
  6. Step 6: Final answer
    x = 12,803.48

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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.