Home / 17,679.46-26,519.18-5,199.59

Finding the Fourth Proportional to 17,679.46, 26,519.18 and 5,199.59

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Solution

The fourth proportional to 17,679.46, 26,519.18 and 5,199.59 is: 7,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.46 : 26,519.18 = 5,199.59 : x
  2. Step 2: Convert to fraction form
    17,679.46/26,519.18 = 5,199.59/x
  3. Step 3: Cross multiply
    17,679.46x = 26,519.18 × 5,199.59
  4. Step 4: Simplify right side
    17,679.46x = 137,888,863.14
  5. Step 5: Solve for x
    x = 137,888,863.14/17,679.46
  6. Step 6: Final answer
    x = 7,799.38

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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.