Home / 14,568.97-20,104.91-8,519.79

Finding the Fourth Proportional to 14,568.97, 20,104.91 and 8,519.79

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Solution

The fourth proportional to 14,568.97, 20,104.91 and 8,519.79 is: 11,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.97 : 20,104.91 = 8,519.79 : x
  2. Step 2: Convert to fraction form
    14,568.97/20,104.91 = 8,519.79/x
  3. Step 3: Cross multiply
    14,568.97x = 20,104.91 × 8,519.79
  4. Step 4: Simplify right side
    14,568.97x = 171,289,510.64
  5. Step 5: Solve for x
    x = 171,289,510.64/14,568.97
  6. Step 6: Final answer
    x = 11,757.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.