Home / 13,422.36-20,133.75-4,062.48

Finding the Fourth Proportional to 13,422.36, 20,133.75 and 4,062.48

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Solution

The fourth proportional to 13,422.36, 20,133.75 and 4,062.48 is: 6,093.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.36 : 20,133.75 = 4,062.48 : x
  2. Step 2: Convert to fraction form
    13,422.36/20,133.75 = 4,062.48/x
  3. Step 3: Cross multiply
    13,422.36x = 20,133.75 × 4,062.48
  4. Step 4: Simplify right side
    13,422.36x = 81,792,956.70
  5. Step 5: Solve for x
    x = 81,792,956.70/13,422.36
  6. Step 6: Final answer
    x = 6,093.78

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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.