Home / 11,969.12-17,954.64-3,203.96

Finding the Fourth Proportional to 11,969.12, 17,954.64 and 3,203.96

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Solution

The fourth proportional to 11,969.12, 17,954.64 and 3,203.96 is: 4,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.12 : 17,954.64 = 3,203.96 : x
  2. Step 2: Convert to fraction form
    11,969.12/17,954.64 = 3,203.96/x
  3. Step 3: Cross multiply
    11,969.12x = 17,954.64 × 3,203.96
  4. Step 4: Simplify right side
    11,969.12x = 57,525,948.37
  5. Step 5: Solve for x
    x = 57,525,948.37/11,969.12
  6. Step 6: Final answer
    x = 4,806.20

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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.