Home / 20,443.83-30,665.85-6,212.44

Finding the Fourth Proportional to 20,443.83, 30,665.85 and 6,212.44

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Solution

The fourth proportional to 20,443.83, 30,665.85 and 6,212.44 is: 9,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.83 : 30,665.85 = 6,212.44 : x
  2. Step 2: Convert to fraction form
    20,443.83/30,665.85 = 6,212.44/x
  3. Step 3: Cross multiply
    20,443.83x = 30,665.85 × 6,212.44
  4. Step 4: Simplify right side
    20,443.83x = 190,509,753.17
  5. Step 5: Solve for x
    x = 190,509,753.17/20,443.83
  6. Step 6: Final answer
    x = 9,318.69

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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.