Home / 18,419.43-27,629.34-14,745.02

Finding the Fourth Proportional to 18,419.43, 27,629.34 and 14,745.02

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Solution

The fourth proportional to 18,419.43, 27,629.34 and 14,745.02 is: 22,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.43 : 27,629.34 = 14,745.02 : x
  2. Step 2: Convert to fraction form
    18,419.43/27,629.34 = 14,745.02/x
  3. Step 3: Cross multiply
    18,419.43x = 27,629.34 × 14,745.02
  4. Step 4: Simplify right side
    18,419.43x = 407,395,170.89
  5. Step 5: Solve for x
    x = 407,395,170.89/18,419.43
  6. Step 6: Final answer
    x = 22,117.69

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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.