Home / 20,246.08-30,370.20-6,394

Finding the Fourth Proportional to 20,246.08, 30,370.20 and 6,394

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Solution

The fourth proportional to 20,246.08, 30,370.20 and 6,394 is: 9,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.08 : 30,370.20 = 6,394 : x
  2. Step 2: Convert to fraction form
    20,246.08/30,370.20 = 6,394/x
  3. Step 3: Cross multiply
    20,246.08x = 30,370.20 × 6,394
  4. Step 4: Simplify right side
    20,246.08x = 194,187,058.80
  5. Step 5: Solve for x
    x = 194,187,058.80/20,246.08
  6. Step 6: Final answer
    x = 9,591.34

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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.