Home / 20,544.05-30,820.68-6,504.91

Finding the Fourth Proportional to 20,544.05, 30,820.68 and 6,504.91

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Solution

The fourth proportional to 20,544.05, 30,820.68 and 6,504.91 is: 9,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.05 : 30,820.68 = 6,504.91 : x
  2. Step 2: Convert to fraction form
    20,544.05/30,820.68 = 6,504.91/x
  3. Step 3: Cross multiply
    20,544.05x = 30,820.68 × 6,504.91
  4. Step 4: Simplify right side
    20,544.05x = 200,485,749.54
  5. Step 5: Solve for x
    x = 200,485,749.54/20,544.05
  6. Step 6: Final answer
    x = 9,758.82

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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.