Home / 20,233.08-30,347.46-6,381

Finding the Fourth Proportional to 20,233.08, 30,347.46 and 6,381

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Solution

The fourth proportional to 20,233.08, 30,347.46 and 6,381 is: 9,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.08 : 30,347.46 = 6,381 : x
  2. Step 2: Convert to fraction form
    20,233.08/30,347.46 = 6,381/x
  3. Step 3: Cross multiply
    20,233.08x = 30,347.46 × 6,381
  4. Step 4: Simplify right side
    20,233.08x = 193,647,142.26
  5. Step 5: Solve for x
    x = 193,647,142.26/20,233.08
  6. Step 6: Final answer
    x = 9,570.82

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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.