Home / 11,946.32-17,919.46-3,181.26

Finding the Fourth Proportional to 11,946.32, 17,919.46 and 3,181.26

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Solution

The fourth proportional to 11,946.32, 17,919.46 and 3,181.26 is: 4,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.32 : 17,919.46 = 3,181.26 : x
  2. Step 2: Convert to fraction form
    11,946.32/17,919.46 = 3,181.26/x
  3. Step 3: Cross multiply
    11,946.32x = 17,919.46 × 3,181.26
  4. Step 4: Simplify right side
    11,946.32x = 57,006,461.32
  5. Step 5: Solve for x
    x = 57,006,461.32/11,946.32
  6. Step 6: Final answer
    x = 4,771.88

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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.