Home / 15,819.30-21,826.26-11,034.09

Finding the Fourth Proportional to 15,819.30, 21,826.26 and 11,034.09

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Solution

The fourth proportional to 15,819.30, 21,826.26 and 11,034.09 is: 15,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.30 : 21,826.26 = 11,034.09 : x
  2. Step 2: Convert to fraction form
    15,819.30/21,826.26 = 11,034.09/x
  3. Step 3: Cross multiply
    15,819.30x = 21,826.26 × 11,034.09
  4. Step 4: Simplify right side
    15,819.30x = 240,832,917.20
  5. Step 5: Solve for x
    x = 240,832,917.20/15,819.30
  6. Step 6: Final answer
    x = 15,223.99

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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.