Home / 20,308.73-30,441.62-6,977.54

Finding the Fourth Proportional to 20,308.73, 30,441.62 and 6,977.54

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Solution

The fourth proportional to 20,308.73, 30,441.62 and 6,977.54 is: 10,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.73 : 30,441.62 = 6,977.54 : x
  2. Step 2: Convert to fraction form
    20,308.73/30,441.62 = 6,977.54/x
  3. Step 3: Cross multiply
    20,308.73x = 30,441.62 × 6,977.54
  4. Step 4: Simplify right side
    20,308.73x = 212,407,714.76
  5. Step 5: Solve for x
    x = 212,407,714.76/20,308.73
  6. Step 6: Final answer
    x = 10,458.94

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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.