Home / 13,568.36-20,351.82-3,707.60

Finding the Fourth Proportional to 13,568.36, 20,351.82 and 3,707.60

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Solution

The fourth proportional to 13,568.36, 20,351.82 and 3,707.60 is: 5,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.36 : 20,351.82 = 3,707.60 : x
  2. Step 2: Convert to fraction form
    13,568.36/20,351.82 = 3,707.60/x
  3. Step 3: Cross multiply
    13,568.36x = 20,351.82 × 3,707.60
  4. Step 4: Simplify right side
    13,568.36x = 75,456,407.83
  5. Step 5: Solve for x
    x = 75,456,407.83/13,568.36
  6. Step 6: Final answer
    x = 5,561.20

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1.5x scale

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.