Home / 18,819.66-28,221.27-6,336.33

Finding the Fourth Proportional to 18,819.66, 28,221.27 and 6,336.33

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Solution

The fourth proportional to 18,819.66, 28,221.27 and 6,336.33 is: 9,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.66 : 28,221.27 = 6,336.33 : x
  2. Step 2: Convert to fraction form
    18,819.66/28,221.27 = 6,336.33/x
  3. Step 3: Cross multiply
    18,819.66x = 28,221.27 × 6,336.33
  4. Step 4: Simplify right side
    18,819.66x = 178,819,279.74
  5. Step 5: Solve for x
    x = 178,819,279.74/18,819.66
  6. Step 6: Final answer
    x = 9,501.73

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1.5x scale

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.