Home / 13,694.74-20,502.66-12,270.04

Finding the Fourth Proportional to 13,694.74, 20,502.66 and 12,270.04

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Solution

The fourth proportional to 13,694.74, 20,502.66 and 12,270.04 is: 18,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.74 : 20,502.66 = 12,270.04 : x
  2. Step 2: Convert to fraction form
    13,694.74/20,502.66 = 12,270.04/x
  3. Step 3: Cross multiply
    13,694.74x = 20,502.66 × 12,270.04
  4. Step 4: Simplify right side
    13,694.74x = 251,568,458.31
  5. Step 5: Solve for x
    x = 251,568,458.31/13,694.74
  6. Step 6: Final answer
    x = 18,369.71

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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.