Home / 11,343.78-17,020.26-5,099.42

Finding the Fourth Proportional to 11,343.78, 17,020.26 and 5,099.42

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Solution

The fourth proportional to 11,343.78, 17,020.26 and 5,099.42 is: 7,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.78 : 17,020.26 = 5,099.42 : x
  2. Step 2: Convert to fraction form
    11,343.78/17,020.26 = 5,099.42/x
  3. Step 3: Cross multiply
    11,343.78x = 17,020.26 × 5,099.42
  4. Step 4: Simplify right side
    11,343.78x = 86,793,496.80
  5. Step 5: Solve for x
    x = 86,793,496.80/11,343.78
  6. Step 6: Final answer
    x = 7,651.20

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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.