Home / 13,612.25-20,284.88-13,497.44

Finding the Fourth Proportional to 13,612.25, 20,284.88 and 13,497.44

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Solution

The fourth proportional to 13,612.25, 20,284.88 and 13,497.44 is: 20,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.25 : 20,284.88 = 13,497.44 : x
  2. Step 2: Convert to fraction form
    13,612.25/20,284.88 = 13,497.44/x
  3. Step 3: Cross multiply
    13,612.25x = 20,284.88 × 13,497.44
  4. Step 4: Simplify right side
    13,612.25x = 273,793,857.72
  5. Step 5: Solve for x
    x = 273,793,857.72/13,612.25
  6. Step 6: Final answer
    x = 20,113.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.