Home / 11,947.51-17,921.26-3,627.49

Finding the Fourth Proportional to 11,947.51, 17,921.26 and 3,627.49

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Solution

The fourth proportional to 11,947.51, 17,921.26 and 3,627.49 is: 5,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.51 : 17,921.26 = 3,627.49 : x
  2. Step 2: Convert to fraction form
    11,947.51/17,921.26 = 3,627.49/x
  3. Step 3: Cross multiply
    11,947.51x = 17,921.26 × 3,627.49
  4. Step 4: Simplify right side
    11,947.51x = 65,009,184.77
  5. Step 5: Solve for x
    x = 65,009,184.77/11,947.51
  6. Step 6: Final answer
    x = 5,441.23

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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.