Home / 18,964.92-28,452.90-5,819.22

Finding the Fourth Proportional to 18,964.92, 28,452.90 and 5,819.22

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Solution

The fourth proportional to 18,964.92, 28,452.90 and 5,819.22 is: 8,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.92 : 28,452.90 = 5,819.22 : x
  2. Step 2: Convert to fraction form
    18,964.92/28,452.90 = 5,819.22/x
  3. Step 3: Cross multiply
    18,964.92x = 28,452.90 × 5,819.22
  4. Step 4: Simplify right side
    18,964.92x = 165,573,684.74
  5. Step 5: Solve for x
    x = 165,573,684.74/18,964.92
  6. Step 6: Final answer
    x = 8,730.52

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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.