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Finding the Fourth Proportional to 9,959.11, 14,940.03 and 3,383.53

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Solution

The fourth proportional to 9,959.11, 14,940.03 and 3,383.53 is: 5,075.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.11 : 14,940.03 = 3,383.53 : x
  2. Step 2: Convert to fraction form
    9,959.11/14,940.03 = 3,383.53/x
  3. Step 3: Cross multiply
    9,959.11x = 14,940.03 × 3,383.53
  4. Step 4: Simplify right side
    9,959.11x = 50,550,039.71
  5. Step 5: Solve for x
    x = 50,550,039.71/9,959.11
  6. Step 6: Final answer
    x = 5,075.76

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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.