Home / 13,824.56-20,725.32-6,425.12

Finding the Fourth Proportional to 13,824.56, 20,725.32 and 6,425.12

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Solution

The fourth proportional to 13,824.56, 20,725.32 and 6,425.12 is: 9,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.56 : 20,725.32 = 6,425.12 : x
  2. Step 2: Convert to fraction form
    13,824.56/20,725.32 = 6,425.12/x
  3. Step 3: Cross multiply
    13,824.56x = 20,725.32 × 6,425.12
  4. Step 4: Simplify right side
    13,824.56x = 133,162,668.04
  5. Step 5: Solve for x
    x = 133,162,668.04/13,824.56
  6. Step 6: Final answer
    x = 9,632.33

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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.