Home / 20,544.83-30,821.85-6,505.70

Finding the Fourth Proportional to 20,544.83, 30,821.85 and 6,505.70

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Solution

The fourth proportional to 20,544.83, 30,821.85 and 6,505.70 is: 9,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.83 : 30,821.85 = 6,505.70 : x
  2. Step 2: Convert to fraction form
    20,544.83/30,821.85 = 6,505.70/x
  3. Step 3: Cross multiply
    20,544.83x = 30,821.85 × 6,505.70
  4. Step 4: Simplify right side
    20,544.83x = 200,517,555.44
  5. Step 5: Solve for x
    x = 200,517,555.44/20,544.83
  6. Step 6: Final answer
    x = 9,760.00

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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.