Home / 20,544.92-30,811.23-10,678.82

Finding the Fourth Proportional to 20,544.92, 30,811.23 and 10,678.82

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Solution

The fourth proportional to 20,544.92, 30,811.23 and 10,678.82 is: 16,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.92 : 30,811.23 = 10,678.82 : x
  2. Step 2: Convert to fraction form
    20,544.92/30,811.23 = 10,678.82/x
  3. Step 3: Cross multiply
    20,544.92x = 30,811.23 × 10,678.82
  4. Step 4: Simplify right side
    20,544.92x = 329,027,579.15
  5. Step 5: Solve for x
    x = 329,027,579.15/20,544.92
  6. Step 6: Final answer
    x = 16,015.03

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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.