Home / 20,107.12-30,163.20-6,064.96

Finding the Fourth Proportional to 20,107.12, 30,163.20 and 6,064.96

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Solution

The fourth proportional to 20,107.12, 30,163.20 and 6,064.96 is: 9,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.12 : 30,163.20 = 6,064.96 : x
  2. Step 2: Convert to fraction form
    20,107.12/30,163.20 = 6,064.96/x
  3. Step 3: Cross multiply
    20,107.12x = 30,163.20 × 6,064.96
  4. Step 4: Simplify right side
    20,107.12x = 182,938,601.47
  5. Step 5: Solve for x
    x = 182,938,601.47/20,107.12
  6. Step 6: Final answer
    x = 9,098.20

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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.