Home / 20,453.53-30,680.34-5,662.49

Finding the Fourth Proportional to 20,453.53, 30,680.34 and 5,662.49

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Solution

The fourth proportional to 20,453.53, 30,680.34 and 5,662.49 is: 8,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.53 : 30,680.34 = 5,662.49 : x
  2. Step 2: Convert to fraction form
    20,453.53/30,680.34 = 5,662.49/x
  3. Step 3: Cross multiply
    20,453.53x = 30,680.34 × 5,662.49
  4. Step 4: Simplify right side
    20,453.53x = 173,727,116.39
  5. Step 5: Solve for x
    x = 173,727,116.39/20,453.53
  6. Step 6: Final answer
    x = 8,493.75

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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.