Home / 8,012.20-12,016.27-2,388.57

Finding the Fourth Proportional to 8,012.20, 12,016.27 and 2,388.57

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Solution

The fourth proportional to 8,012.20, 12,016.27 and 2,388.57 is: 3,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.20 : 12,016.27 = 2,388.57 : x
  2. Step 2: Convert to fraction form
    8,012.20/12,016.27 = 2,388.57/x
  3. Step 3: Cross multiply
    8,012.20x = 12,016.27 × 2,388.57
  4. Step 4: Simplify right side
    8,012.20x = 28,701,690.09
  5. Step 5: Solve for x
    x = 28,701,690.09/8,012.20
  6. Step 6: Final answer
    x = 3,582.25

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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.