Home / 20,107.73-30,159.46-8,262.75

Finding the Fourth Proportional to 20,107.73, 30,159.46 and 8,262.75

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Solution

The fourth proportional to 20,107.73, 30,159.46 and 8,262.75 is: 12,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.73 : 30,159.46 = 8,262.75 : x
  2. Step 2: Convert to fraction form
    20,107.73/30,159.46 = 8,262.75/x
  3. Step 3: Cross multiply
    20,107.73x = 30,159.46 × 8,262.75
  4. Step 4: Simplify right side
    20,107.73x = 249,200,078.12
  5. Step 5: Solve for x
    x = 249,200,078.12/20,107.73
  6. Step 6: Final answer
    x = 12,393.25

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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.