Home / 20,595.12-30,898.44-8,107.44

Finding the Fourth Proportional to 20,595.12, 30,898.44 and 8,107.44

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Solution

The fourth proportional to 20,595.12, 30,898.44 and 8,107.44 is: 12,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.12 : 30,898.44 = 8,107.44 : x
  2. Step 2: Convert to fraction form
    20,595.12/30,898.44 = 8,107.44/x
  3. Step 3: Cross multiply
    20,595.12x = 30,898.44 × 8,107.44
  4. Step 4: Simplify right side
    20,595.12x = 250,507,248.39
  5. Step 5: Solve for x
    x = 250,507,248.39/20,595.12
  6. Step 6: Final answer
    x = 12,163.43

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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.