Home / 20,639.18-30,949.46-5,844.60

Finding the Fourth Proportional to 20,639.18, 30,949.46 and 5,844.60

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Solution

The fourth proportional to 20,639.18, 30,949.46 and 5,844.60 is: 8,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639.18 : 30,949.46 = 5,844.60 : x
  2. Step 2: Convert to fraction form
    20,639.18/30,949.46 = 5,844.60/x
  3. Step 3: Cross multiply
    20,639.18x = 30,949.46 × 5,844.60
  4. Step 4: Simplify right side
    20,639.18x = 180,887,213.92
  5. Step 5: Solve for x
    x = 180,887,213.92/20,639.18
  6. Step 6: Final answer
    x = 8,764.26

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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.