Home / 19,864.24-29,794.68-5,072.56

Finding the Fourth Proportional to 19,864.24, 29,794.68 and 5,072.56

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Solution

The fourth proportional to 19,864.24, 29,794.68 and 5,072.56 is: 7,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.24 : 29,794.68 = 5,072.56 : x
  2. Step 2: Convert to fraction form
    19,864.24/29,794.68 = 5,072.56/x
  3. Step 3: Cross multiply
    19,864.24x = 29,794.68 × 5,072.56
  4. Step 4: Simplify right side
    19,864.24x = 151,135,301.98
  5. Step 5: Solve for x
    x = 151,135,301.98/19,864.24
  6. Step 6: Final answer
    x = 7,608.41

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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.