Home / 9,216.38-12,714.56-6,231.12

Finding the Fourth Proportional to 9,216.38, 12,714.56 and 6,231.12

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Solution

The fourth proportional to 9,216.38, 12,714.56 and 6,231.12 is: 8,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.38 : 12,714.56 = 6,231.12 : x
  2. Step 2: Convert to fraction form
    9,216.38/12,714.56 = 6,231.12/x
  3. Step 3: Cross multiply
    9,216.38x = 12,714.56 × 6,231.12
  4. Step 4: Simplify right side
    9,216.38x = 79,225,949.11
  5. Step 5: Solve for x
    x = 79,225,949.11/9,216.38
  6. Step 6: Final answer
    x = 8,596.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.