Home / 20,992.82-31,493.39-6,000.08

Finding the Fourth Proportional to 20,992.82, 31,493.39 and 6,000.08

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Solution

The fourth proportional to 20,992.82, 31,493.39 and 6,000.08 is: 9,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,992.82 : 31,493.39 = 6,000.08 : x
  2. Step 2: Convert to fraction form
    20,992.82/31,493.39 = 6,000.08/x
  3. Step 3: Cross multiply
    20,992.82x = 31,493.39 × 6,000.08
  4. Step 4: Simplify right side
    20,992.82x = 188,962,672.00
  5. Step 5: Solve for x
    x = 188,962,672.00/20,992.82
  6. Step 6: Final answer
    x = 9,001.30

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1.5x scale

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.