Home / 10,289.97-15,434.96-2,498.78

Finding the Fourth Proportional to 10,289.97, 15,434.96 and 2,498.78

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Solution

The fourth proportional to 10,289.97, 15,434.96 and 2,498.78 is: 3,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.97 : 15,434.96 = 2,498.78 : x
  2. Step 2: Convert to fraction form
    10,289.97/15,434.96 = 2,498.78/x
  3. Step 3: Cross multiply
    10,289.97x = 15,434.96 × 2,498.78
  4. Step 4: Simplify right side
    10,289.97x = 38,568,479.68
  5. Step 5: Solve for x
    x = 38,568,479.68/10,289.97
  6. Step 6: Final answer
    x = 3,748.16

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Similar ratio
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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.