Home / 11,888.94-17,836.38-3,569.11

Finding the Fourth Proportional to 11,888.94, 17,836.38 and 3,569.11

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Solution

The fourth proportional to 11,888.94, 17,836.38 and 3,569.11 is: 5,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.94 : 17,836.38 = 3,569.11 : x
  2. Step 2: Convert to fraction form
    11,888.94/17,836.38 = 3,569.11/x
  3. Step 3: Cross multiply
    11,888.94x = 17,836.38 × 3,569.11
  4. Step 4: Simplify right side
    11,888.94x = 63,659,984.38
  5. Step 5: Solve for x
    x = 63,659,984.38/11,888.94
  6. Step 6: Final answer
    x = 5,354.56

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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.