Home / 20,550.03-30,825.25-6,509.79

Finding the Fourth Proportional to 20,550.03, 30,825.25 and 6,509.79

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Solution

The fourth proportional to 20,550.03, 30,825.25 and 6,509.79 is: 9,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.03 : 30,825.25 = 6,509.79 : x
  2. Step 2: Convert to fraction form
    20,550.03/30,825.25 = 6,509.79/x
  3. Step 3: Cross multiply
    20,550.03x = 30,825.25 × 6,509.79
  4. Step 4: Simplify right side
    20,550.03x = 200,665,904.20
  5. Step 5: Solve for x
    x = 200,665,904.20/20,550.03
  6. Step 6: Final answer
    x = 9,764.75

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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.