Home / 11,747.25-17,620.88-3,539.25

Finding the Fourth Proportional to 11,747.25, 17,620.88 and 3,539.25

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Solution

The fourth proportional to 11,747.25, 17,620.88 and 3,539.25 is: 5,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.25 : 17,620.88 = 3,539.25 : x
  2. Step 2: Convert to fraction form
    11,747.25/17,620.88 = 3,539.25/x
  3. Step 3: Cross multiply
    11,747.25x = 17,620.88 × 3,539.25
  4. Step 4: Simplify right side
    11,747.25x = 62,364,681.84
  5. Step 5: Solve for x
    x = 62,364,681.84/11,747.25
  6. Step 6: Final answer
    x = 5,308.88

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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.