Home / 9,143.22-13,714.83-2,217.72

Finding the Fourth Proportional to 9,143.22, 13,714.83 and 2,217.72

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Solution

The fourth proportional to 9,143.22, 13,714.83 and 2,217.72 is: 3,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.22 : 13,714.83 = 2,217.72 : x
  2. Step 2: Convert to fraction form
    9,143.22/13,714.83 = 2,217.72/x
  3. Step 3: Cross multiply
    9,143.22x = 13,714.83 × 2,217.72
  4. Step 4: Simplify right side
    9,143.22x = 30,415,652.79
  5. Step 5: Solve for x
    x = 30,415,652.79/9,143.22
  6. Step 6: Final answer
    x = 3,326.58

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Similar ratio
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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.