Home / 12,743.08-19,107.42-5,244.55

Finding the Fourth Proportional to 12,743.08, 19,107.42 and 5,244.55

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Solution

The fourth proportional to 12,743.08, 19,107.42 and 5,244.55 is: 7,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.08 : 19,107.42 = 5,244.55 : x
  2. Step 2: Convert to fraction form
    12,743.08/19,107.42 = 5,244.55/x
  3. Step 3: Cross multiply
    12,743.08x = 19,107.42 × 5,244.55
  4. Step 4: Simplify right side
    12,743.08x = 100,209,819.56
  5. Step 5: Solve for x
    x = 100,209,819.56/12,743.08
  6. Step 6: Final answer
    x = 7,863.86

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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.