Home / 20,846.63-31,273.19-6,998.87

Finding the Fourth Proportional to 20,846.63, 31,273.19 and 6,998.87

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Solution

The fourth proportional to 20,846.63, 31,273.19 and 6,998.87 is: 10,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.63 : 31,273.19 = 6,998.87 : x
  2. Step 2: Convert to fraction form
    20,846.63/31,273.19 = 6,998.87/x
  3. Step 3: Cross multiply
    20,846.63x = 31,273.19 × 6,998.87
  4. Step 4: Simplify right side
    20,846.63x = 218,876,799.94
  5. Step 5: Solve for x
    x = 218,876,799.94/20,846.63
  6. Step 6: Final answer
    x = 10,499.39

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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.