Home / 20,849.01-31,273.78-6,808.93

Finding the Fourth Proportional to 20,849.01, 31,273.78 and 6,808.93

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Solution

The fourth proportional to 20,849.01, 31,273.78 and 6,808.93 is: 10,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.01 : 31,273.78 = 6,808.93 : x
  2. Step 2: Convert to fraction form
    20,849.01/31,273.78 = 6,808.93/x
  3. Step 3: Cross multiply
    20,849.01x = 31,273.78 × 6,808.93
  4. Step 4: Simplify right side
    20,849.01x = 212,940,909.18
  5. Step 5: Solve for x
    x = 212,940,909.18/20,849.01
  6. Step 6: Final answer
    x = 10,213.48

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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.