Home / 20,146.88-30,221.12-6,296

Finding the Fourth Proportional to 20,146.88, 30,221.12 and 6,296

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Solution

The fourth proportional to 20,146.88, 30,221.12 and 6,296 is: 9,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146.88 : 30,221.12 = 6,296 : x
  2. Step 2: Convert to fraction form
    20,146.88/30,221.12 = 6,296/x
  3. Step 3: Cross multiply
    20,146.88x = 30,221.12 × 6,296
  4. Step 4: Simplify right side
    20,146.88x = 190,272,171.52
  5. Step 5: Solve for x
    x = 190,272,171.52/20,146.88
  6. Step 6: Final answer
    x = 9,444.25

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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.