Home / 11,714.64-16,158.24-6,997.20

Finding the Fourth Proportional to 11,714.64, 16,158.24 and 6,997.20

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Solution

The fourth proportional to 11,714.64, 16,158.24 and 6,997.20 is: 9,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.64 : 16,158.24 = 6,997.20 : x
  2. Step 2: Convert to fraction form
    11,714.64/16,158.24 = 6,997.20/x
  3. Step 3: Cross multiply
    11,714.64x = 16,158.24 × 6,997.20
  4. Step 4: Simplify right side
    11,714.64x = 113,062,436.93
  5. Step 5: Solve for x
    x = 113,062,436.93/11,714.64
  6. Step 6: Final answer
    x = 9,651.38

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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.