Home / 20,600.24-30,906.12-6,758.96

Finding the Fourth Proportional to 20,600.24, 30,906.12 and 6,758.96

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Solution

The fourth proportional to 20,600.24, 30,906.12 and 6,758.96 is: 10,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.24 : 30,906.12 = 6,758.96 : x
  2. Step 2: Convert to fraction form
    20,600.24/30,906.12 = 6,758.96/x
  3. Step 3: Cross multiply
    20,600.24x = 30,906.12 × 6,758.96
  4. Step 4: Simplify right side
    20,600.24x = 208,893,228.84
  5. Step 5: Solve for x
    x = 208,893,228.84/20,600.24
  6. Step 6: Final answer
    x = 10,140.33

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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.