Home / 9,961.88-14,942.82-3,392.78

Finding the Fourth Proportional to 9,961.88, 14,942.82 and 3,392.78

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Solution

The fourth proportional to 9,961.88, 14,942.82 and 3,392.78 is: 5,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.88 : 14,942.82 = 3,392.78 : x
  2. Step 2: Convert to fraction form
    9,961.88/14,942.82 = 3,392.78/x
  3. Step 3: Cross multiply
    9,961.88x = 14,942.82 × 3,392.78
  4. Step 4: Simplify right side
    9,961.88x = 50,697,700.84
  5. Step 5: Solve for x
    x = 50,697,700.84/9,961.88
  6. Step 6: Final answer
    x = 5,089.17

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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.