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Finding the Fourth Proportional to 9,959.82, 14,941.53 and 3,385.41

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Solution

The fourth proportional to 9,959.82, 14,941.53 and 3,385.41 is: 5,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.82 : 14,941.53 = 3,385.41 : x
  2. Step 2: Convert to fraction form
    9,959.82/14,941.53 = 3,385.41/x
  3. Step 3: Cross multiply
    9,959.82x = 14,941.53 × 3,385.41
  4. Step 4: Simplify right side
    9,959.82x = 50,583,205.08
  5. Step 5: Solve for x
    x = 50,583,205.08/9,959.82
  6. Step 6: Final answer
    x = 5,078.73

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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.