Home / 17,239.20-23,789.21-9,685.85

Finding the Fourth Proportional to 17,239.20, 23,789.21 and 9,685.85

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Solution

The fourth proportional to 17,239.20, 23,789.21 and 9,685.85 is: 13,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.20 : 23,789.21 = 9,685.85 : x
  2. Step 2: Convert to fraction form
    17,239.20/23,789.21 = 9,685.85/x
  3. Step 3: Cross multiply
    17,239.20x = 23,789.21 × 9,685.85
  4. Step 4: Simplify right side
    17,239.20x = 230,418,552.30
  5. Step 5: Solve for x
    x = 230,418,552.30/17,239.20
  6. Step 6: Final answer
    x = 13,365.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.