Home / 9,286.20-13,929.57-4,015.80

Finding the Fourth Proportional to 9,286.20, 13,929.57 and 4,015.80

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Solution

The fourth proportional to 9,286.20, 13,929.57 and 4,015.80 is: 6,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.20 : 13,929.57 = 4,015.80 : x
  2. Step 2: Convert to fraction form
    9,286.20/13,929.57 = 4,015.80/x
  3. Step 3: Cross multiply
    9,286.20x = 13,929.57 × 4,015.80
  4. Step 4: Simplify right side
    9,286.20x = 55,938,367.21
  5. Step 5: Solve for x
    x = 55,938,367.21/9,286.20
  6. Step 6: Final answer
    x = 6,023.82

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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.