Home / 19,942.43-29,913.64-9,408.98

Finding the Fourth Proportional to 19,942.43, 29,913.64 and 9,408.98

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Solution

The fourth proportional to 19,942.43, 29,913.64 and 9,408.98 is: 14,113.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.43 : 29,913.64 = 9,408.98 : x
  2. Step 2: Convert to fraction form
    19,942.43/29,913.64 = 9,408.98/x
  3. Step 3: Cross multiply
    19,942.43x = 29,913.64 × 9,408.98
  4. Step 4: Simplify right side
    19,942.43x = 281,456,891.75
  5. Step 5: Solve for x
    x = 281,456,891.75/19,942.43
  6. Step 6: Final answer
    x = 14,113.47

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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.