Home / 13,568.31-20,350.31-3,708.32

Finding the Fourth Proportional to 13,568.31, 20,350.31 and 3,708.32

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Solution

The fourth proportional to 13,568.31, 20,350.31 and 3,708.32 is: 5,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.31 : 20,350.31 = 3,708.32 : x
  2. Step 2: Convert to fraction form
    13,568.31/20,350.31 = 3,708.32/x
  3. Step 3: Cross multiply
    13,568.31x = 20,350.31 × 3,708.32
  4. Step 4: Simplify right side
    13,568.31x = 75,465,341.29
  5. Step 5: Solve for x
    x = 75,465,341.29/13,568.31
  6. Step 6: Final answer
    x = 5,561.88

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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.