Home / 9,286.20-13,929.30-6,170.40

Finding the Fourth Proportional to 9,286.20, 13,929.30 and 6,170.40

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Solution

The fourth proportional to 9,286.20, 13,929.30 and 6,170.40 is: 9,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.20 : 13,929.30 = 6,170.40 : x
  2. Step 2: Convert to fraction form
    9,286.20/13,929.30 = 6,170.40/x
  3. Step 3: Cross multiply
    9,286.20x = 13,929.30 × 6,170.40
  4. Step 4: Simplify right side
    9,286.20x = 85,949,352.72
  5. Step 5: Solve for x
    x = 85,949,352.72/9,286.20
  6. Step 6: Final answer
    x = 9,255.60

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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.