Home / 20,236.68-30,334.26-7,753.50

Finding the Fourth Proportional to 20,236.68, 30,334.26 and 7,753.50

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Solution

The fourth proportional to 20,236.68, 30,334.26 and 7,753.50 is: 11,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.68 : 30,334.26 = 7,753.50 : x
  2. Step 2: Convert to fraction form
    20,236.68/30,334.26 = 7,753.50/x
  3. Step 3: Cross multiply
    20,236.68x = 30,334.26 × 7,753.50
  4. Step 4: Simplify right side
    20,236.68x = 235,196,684.91
  5. Step 5: Solve for x
    x = 235,196,684.91/20,236.68
  6. Step 6: Final answer
    x = 11,622.30

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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.