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Finding the Fourth Proportional to 9,960, 14,940.48 and 3,035.52

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Solution

The fourth proportional to 9,960, 14,940.48 and 3,035.52 is: 4,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960 : 14,940.48 = 3,035.52 : x
  2. Step 2: Convert to fraction form
    9,960/14,940.48 = 3,035.52/x
  3. Step 3: Cross multiply
    9,960x = 14,940.48 × 3,035.52
  4. Step 4: Simplify right side
    9,960x = 45,352,125.85
  5. Step 5: Solve for x
    x = 45,352,125.85/9,960
  6. Step 6: Final answer
    x = 4,553.43

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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.