Home / 20,169.56-30,255.94-6,130.81

Finding the Fourth Proportional to 20,169.56, 30,255.94 and 6,130.81

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Solution

The fourth proportional to 20,169.56, 30,255.94 and 6,130.81 is: 9,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.56 : 30,255.94 = 6,130.81 : x
  2. Step 2: Convert to fraction form
    20,169.56/30,255.94 = 6,130.81/x
  3. Step 3: Cross multiply
    20,169.56x = 30,255.94 × 6,130.81
  4. Step 4: Simplify right side
    20,169.56x = 185,493,351.54
  5. Step 5: Solve for x
    x = 185,493,351.54/20,169.56
  6. Step 6: Final answer
    x = 9,196.70

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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.