Home / 20,017.73-30,027.20-6,869.91

Finding the Fourth Proportional to 20,017.73, 30,027.20 and 6,869.91

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Solution

The fourth proportional to 20,017.73, 30,027.20 and 6,869.91 is: 10,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.73 : 30,027.20 = 6,869.91 : x
  2. Step 2: Convert to fraction form
    20,017.73/30,027.20 = 6,869.91/x
  3. Step 3: Cross multiply
    20,017.73x = 30,027.20 × 6,869.91
  4. Step 4: Simplify right side
    20,017.73x = 206,284,127.20
  5. Step 5: Solve for x
    x = 206,284,127.20/20,017.73
  6. Step 6: Final answer
    x = 10,305.07

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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.