Home / 19,738.97-29,629.53-8,499.88

Finding the Fourth Proportional to 19,738.97, 29,629.53 and 8,499.88

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Solution

The fourth proportional to 19,738.97, 29,629.53 and 8,499.88 is: 12,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.97 : 29,629.53 = 8,499.88 : x
  2. Step 2: Convert to fraction form
    19,738.97/29,629.53 = 8,499.88/x
  3. Step 3: Cross multiply
    19,738.97x = 29,629.53 × 8,499.88
  4. Step 4: Simplify right side
    19,738.97x = 251,847,449.46
  5. Step 5: Solve for x
    x = 251,847,449.46/19,738.97
  6. Step 6: Final answer
    x = 12,758.90

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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.