Home / 11,669.91-17,507.14-3,774.38

Finding the Fourth Proportional to 11,669.91, 17,507.14 and 3,774.38

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Solution

The fourth proportional to 11,669.91, 17,507.14 and 3,774.38 is: 5,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.91 : 17,507.14 = 3,774.38 : x
  2. Step 2: Convert to fraction form
    11,669.91/17,507.14 = 3,774.38/x
  3. Step 3: Cross multiply
    11,669.91x = 17,507.14 × 3,774.38
  4. Step 4: Simplify right side
    11,669.91x = 66,078,599.07
  5. Step 5: Solve for x
    x = 66,078,599.07/11,669.91
  6. Step 6: Final answer
    x = 5,662.31

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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.