Home / 13,568.46-20,350.34-4,080.64

Finding the Fourth Proportional to 13,568.46, 20,350.34 and 4,080.64

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Solution

The fourth proportional to 13,568.46, 20,350.34 and 4,080.64 is: 6,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.46 : 20,350.34 = 4,080.64 : x
  2. Step 2: Convert to fraction form
    13,568.46/20,350.34 = 4,080.64/x
  3. Step 3: Cross multiply
    13,568.46x = 20,350.34 × 4,080.64
  4. Step 4: Simplify right side
    13,568.46x = 83,042,411.42
  5. Step 5: Solve for x
    x = 83,042,411.42/13,568.46
  6. Step 6: Final answer
    x = 6,120.25

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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.