Home / 13,568.88-20,350.05-3,708.21

Finding the Fourth Proportional to 13,568.88, 20,350.05 and 3,708.21

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Solution

The fourth proportional to 13,568.88, 20,350.05 and 3,708.21 is: 5,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.88 : 20,350.05 = 3,708.21 : x
  2. Step 2: Convert to fraction form
    13,568.88/20,350.05 = 3,708.21/x
  3. Step 3: Cross multiply
    13,568.88x = 20,350.05 × 3,708.21
  4. Step 4: Simplify right side
    13,568.88x = 75,462,258.91
  5. Step 5: Solve for x
    x = 75,462,258.91/13,568.88
  6. Step 6: Final answer
    x = 5,561.42

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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.