Home / 20,213.46-30,301.56-18,552.96

Finding the Fourth Proportional to 20,213.46, 30,301.56 and 18,552.96

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Solution

The fourth proportional to 20,213.46, 30,301.56 and 18,552.96 is: 27,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213.46 : 30,301.56 = 18,552.96 : x
  2. Step 2: Convert to fraction form
    20,213.46/30,301.56 = 18,552.96/x
  3. Step 3: Cross multiply
    20,213.46x = 30,301.56 × 18,552.96
  4. Step 4: Simplify right side
    20,213.46x = 562,183,630.62
  5. Step 5: Solve for x
    x = 562,183,630.62/20,213.46
  6. Step 6: Final answer
    x = 27,812.34

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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.