Home / 18,629.36-27,938.04-6,146.48

Finding the Fourth Proportional to 18,629.36, 27,938.04 and 6,146.48

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Solution

The fourth proportional to 18,629.36, 27,938.04 and 6,146.48 is: 9,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.36 : 27,938.04 = 6,146.48 : x
  2. Step 2: Convert to fraction form
    18,629.36/27,938.04 = 6,146.48/x
  3. Step 3: Cross multiply
    18,629.36x = 27,938.04 × 6,146.48
  4. Step 4: Simplify right side
    18,629.36x = 171,720,604.10
  5. Step 5: Solve for x
    x = 171,720,604.10/18,629.36
  6. Step 6: Final answer
    x = 9,217.74

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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.