Home / 9,143.25-13,714.92-2,217.75

Finding the Fourth Proportional to 9,143.25, 13,714.92 and 2,217.75

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Solution

The fourth proportional to 9,143.25, 13,714.92 and 2,217.75 is: 3,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.25 : 13,714.92 = 2,217.75 : x
  2. Step 2: Convert to fraction form
    9,143.25/13,714.92 = 2,217.75/x
  3. Step 3: Cross multiply
    9,143.25x = 13,714.92 × 2,217.75
  4. Step 4: Simplify right side
    9,143.25x = 30,416,263.83
  5. Step 5: Solve for x
    x = 30,416,263.83/9,143.25
  6. Step 6: Final answer
    x = 3,326.64

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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.