Home / 11,919.44-16,454.96-8,398.37

Finding the Fourth Proportional to 11,919.44, 16,454.96 and 8,398.37

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Solution

The fourth proportional to 11,919.44, 16,454.96 and 8,398.37 is: 11,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.44 : 16,454.96 = 8,398.37 : x
  2. Step 2: Convert to fraction form
    11,919.44/16,454.96 = 8,398.37/x
  3. Step 3: Cross multiply
    11,919.44x = 16,454.96 × 8,398.37
  4. Step 4: Simplify right side
    11,919.44x = 138,194,842.42
  5. Step 5: Solve for x
    x = 138,194,842.42/11,919.44
  6. Step 6: Final answer
    x = 11,594.07

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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.