Home / 20,045.43-30,067.82-6,897.92

Finding the Fourth Proportional to 20,045.43, 30,067.82 and 6,897.92

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Solution

The fourth proportional to 20,045.43, 30,067.82 and 6,897.92 is: 10,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.43 : 30,067.82 = 6,897.92 : x
  2. Step 2: Convert to fraction form
    20,045.43/30,067.82 = 6,897.92/x
  3. Step 3: Cross multiply
    20,045.43x = 30,067.82 × 6,897.92
  4. Step 4: Simplify right side
    20,045.43x = 207,405,266.60
  5. Step 5: Solve for x
    x = 207,405,266.60/20,045.43
  6. Step 6: Final answer
    x = 10,346.76

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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.