Home / 20,246.01-30,355.84-8,396.52

Finding the Fourth Proportional to 20,246.01, 30,355.84 and 8,396.52

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Solution

The fourth proportional to 20,246.01, 30,355.84 and 8,396.52 is: 12,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.01 : 30,355.84 = 8,396.52 : x
  2. Step 2: Convert to fraction form
    20,246.01/30,355.84 = 8,396.52/x
  3. Step 3: Cross multiply
    20,246.01x = 30,355.84 × 8,396.52
  4. Step 4: Simplify right side
    20,246.01x = 254,883,417.68
  5. Step 5: Solve for x
    x = 254,883,417.68/20,246.01
  6. Step 6: Final answer
    x = 12,589.32

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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.