Home / 9,142.37-13,714.68-3,217.86

Finding the Fourth Proportional to 9,142.37, 13,714.68 and 3,217.86

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Solution

The fourth proportional to 9,142.37, 13,714.68 and 3,217.86 is: 4,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.37 : 13,714.68 = 3,217.86 : x
  2. Step 2: Convert to fraction form
    9,142.37/13,714.68 = 3,217.86/x
  3. Step 3: Cross multiply
    9,142.37x = 13,714.68 × 3,217.86
  4. Step 4: Simplify right side
    9,142.37x = 44,131,932.25
  5. Step 5: Solve for x
    x = 44,131,932.25/9,142.37
  6. Step 6: Final answer
    x = 4,827.19

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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.