Home / 11,987.45-17,983.23-3,667.26

Finding the Fourth Proportional to 11,987.45, 17,983.23 and 3,667.26

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Solution

The fourth proportional to 11,987.45, 17,983.23 and 3,667.26 is: 5,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,987.45 : 17,983.23 = 3,667.26 : x
  2. Step 2: Convert to fraction form
    11,987.45/17,983.23 = 3,667.26/x
  3. Step 3: Cross multiply
    11,987.45x = 17,983.23 × 3,667.26
  4. Step 4: Simplify right side
    11,987.45x = 65,949,180.05
  5. Step 5: Solve for x
    x = 65,949,180.05/11,987.45
  6. Step 6: Final answer
    x = 5,501.52

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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.