Home / 20,544.96-30,821.60-6,690.24

Finding the Fourth Proportional to 20,544.96, 30,821.60 and 6,690.24

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Solution

The fourth proportional to 20,544.96, 30,821.60 and 6,690.24 is: 10,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.96 : 30,821.60 = 6,690.24 : x
  2. Step 2: Convert to fraction form
    20,544.96/30,821.60 = 6,690.24/x
  3. Step 3: Cross multiply
    20,544.96x = 30,821.60 × 6,690.24
  4. Step 4: Simplify right side
    20,544.96x = 206,203,901.18
  5. Step 5: Solve for x
    x = 206,203,901.18/20,544.96
  6. Step 6: Final answer
    x = 10,036.71

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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.