Home / 20,604.24-30,912.12-6,762.96

Finding the Fourth Proportional to 20,604.24, 30,912.12 and 6,762.96

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Solution

The fourth proportional to 20,604.24, 30,912.12 and 6,762.96 is: 10,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.24 : 30,912.12 = 6,762.96 : x
  2. Step 2: Convert to fraction form
    20,604.24/30,912.12 = 6,762.96/x
  3. Step 3: Cross multiply
    20,604.24x = 30,912.12 × 6,762.96
  4. Step 4: Simplify right side
    20,604.24x = 209,057,431.08
  5. Step 5: Solve for x
    x = 209,057,431.08/20,604.24
  6. Step 6: Final answer
    x = 10,146.33

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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.