Home / 19,942.72-29,919.26-7,463.70

Finding the Fourth Proportional to 19,942.72, 29,919.26 and 7,463.70

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Solution

The fourth proportional to 19,942.72, 29,919.26 and 7,463.70 is: 11,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.72 : 29,919.26 = 7,463.70 : x
  2. Step 2: Convert to fraction form
    19,942.72/29,919.26 = 7,463.70/x
  3. Step 3: Cross multiply
    19,942.72x = 29,919.26 × 7,463.70
  4. Step 4: Simplify right side
    19,942.72x = 223,308,399.52
  5. Step 5: Solve for x
    x = 223,308,399.52/19,942.72
  6. Step 6: Final answer
    x = 11,197.49

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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.