Home / 17,890.68-26,819.58-9,115.32

Finding the Fourth Proportional to 17,890.68, 26,819.58 and 9,115.32

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Solution

The fourth proportional to 17,890.68, 26,819.58 and 9,115.32 is: 13,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.68 : 26,819.58 = 9,115.32 : x
  2. Step 2: Convert to fraction form
    17,890.68/26,819.58 = 9,115.32/x
  3. Step 3: Cross multiply
    17,890.68x = 26,819.58 × 9,115.32
  4. Step 4: Simplify right side
    17,890.68x = 244,469,053.97
  5. Step 5: Solve for x
    x = 244,469,053.97/17,890.68
  6. Step 6: Final answer
    x = 13,664.60

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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.