Home / 20,015.27-30,012.71-6,683.48

Finding the Fourth Proportional to 20,015.27, 30,012.71 and 6,683.48

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Solution

The fourth proportional to 20,015.27, 30,012.71 and 6,683.48 is: 10,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.27 : 30,012.71 = 6,683.48 : x
  2. Step 2: Convert to fraction form
    20,015.27/30,012.71 = 6,683.48/x
  3. Step 3: Cross multiply
    20,015.27x = 30,012.71 × 6,683.48
  4. Step 4: Simplify right side
    20,015.27x = 200,589,347.03
  5. Step 5: Solve for x
    x = 200,589,347.03/20,015.27
  6. Step 6: Final answer
    x = 10,021.82

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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.