Home / 20,246.12-30,370.62-6,395

Finding the Fourth Proportional to 20,246.12, 30,370.62 and 6,395

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Solution

The fourth proportional to 20,246.12, 30,370.62 and 6,395 is: 9,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.12 : 30,370.62 = 6,395 : x
  2. Step 2: Convert to fraction form
    20,246.12/30,370.62 = 6,395/x
  3. Step 3: Cross multiply
    20,246.12x = 30,370.62 × 6,395
  4. Step 4: Simplify right side
    20,246.12x = 194,220,114.90
  5. Step 5: Solve for x
    x = 194,220,114.90/20,246.12
  6. Step 6: Final answer
    x = 9,592.95

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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.