Home / 20,137.17-30,208.20-5,346.36

Finding the Fourth Proportional to 20,137.17, 30,208.20 and 5,346.36

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Solution

The fourth proportional to 20,137.17, 30,208.20 and 5,346.36 is: 8,020.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.17 : 30,208.20 = 5,346.36 : x
  2. Step 2: Convert to fraction form
    20,137.17/30,208.20 = 5,346.36/x
  3. Step 3: Cross multiply
    20,137.17x = 30,208.20 × 5,346.36
  4. Step 4: Simplify right side
    20,137.17x = 161,503,912.15
  5. Step 5: Solve for x
    x = 161,503,912.15/20,137.17
  6. Step 6: Final answer
    x = 8,020.19

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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.