Home / 11,972.92-17,959.47-4,181.74

Finding the Fourth Proportional to 11,972.92, 17,959.47 and 4,181.74

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Solution

The fourth proportional to 11,972.92, 17,959.47 and 4,181.74 is: 6,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.92 : 17,959.47 = 4,181.74 : x
  2. Step 2: Convert to fraction form
    11,972.92/17,959.47 = 4,181.74/x
  3. Step 3: Cross multiply
    11,972.92x = 17,959.47 × 4,181.74
  4. Step 4: Simplify right side
    11,972.92x = 75,101,834.08
  5. Step 5: Solve for x
    x = 75,101,834.08/11,972.92
  6. Step 6: Final answer
    x = 6,272.64

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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.