Home / 20,197.14-30,295.26-5,406.06

Finding the Fourth Proportional to 20,197.14, 30,295.26 and 5,406.06

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Solution

The fourth proportional to 20,197.14, 30,295.26 and 5,406.06 is: 8,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.14 : 30,295.26 = 5,406.06 : x
  2. Step 2: Convert to fraction form
    20,197.14/30,295.26 = 5,406.06/x
  3. Step 3: Cross multiply
    20,197.14x = 30,295.26 × 5,406.06
  4. Step 4: Simplify right side
    20,197.14x = 163,777,993.28
  5. Step 5: Solve for x
    x = 163,777,993.28/20,197.14
  6. Step 6: Final answer
    x = 8,108.97

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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.