Home / 20,579.24-30,873.17-11,698.66

Finding the Fourth Proportional to 20,579.24, 30,873.17 and 11,698.66

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Solution

The fourth proportional to 20,579.24, 30,873.17 and 11,698.66 is: 17,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.24 : 30,873.17 = 11,698.66 : x
  2. Step 2: Convert to fraction form
    20,579.24/30,873.17 = 11,698.66/x
  3. Step 3: Cross multiply
    20,579.24x = 30,873.17 × 11,698.66
  4. Step 4: Simplify right side
    20,579.24x = 361,174,718.95
  5. Step 5: Solve for x
    x = 361,174,718.95/20,579.24
  6. Step 6: Final answer
    x = 17,550.44

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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.