Home / 11,819.52-17,818.92-11,184.48

Finding the Fourth Proportional to 11,819.52, 17,818.92 and 11,184.48

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Solution

The fourth proportional to 11,819.52, 17,818.92 and 11,184.48 is: 16,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.52 : 17,818.92 = 11,184.48 : x
  2. Step 2: Convert to fraction form
    11,819.52/17,818.92 = 11,184.48/x
  3. Step 3: Cross multiply
    11,819.52x = 17,818.92 × 11,184.48
  4. Step 4: Simplify right side
    11,819.52x = 199,295,354.36
  5. Step 5: Solve for x
    x = 199,295,354.36/11,819.52
  6. Step 6: Final answer
    x = 16,861.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.