Home / 11,619.75-16,035.22-6,314.56

Finding the Fourth Proportional to 11,619.75, 16,035.22 and 6,314.56

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Solution

The fourth proportional to 11,619.75, 16,035.22 and 6,314.56 is: 8,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.75 : 16,035.22 = 6,314.56 : x
  2. Step 2: Convert to fraction form
    11,619.75/16,035.22 = 6,314.56/x
  3. Step 3: Cross multiply
    11,619.75x = 16,035.22 × 6,314.56
  4. Step 4: Simplify right side
    11,619.75x = 101,255,291.09
  5. Step 5: Solve for x
    x = 101,255,291.09/11,619.75
  6. Step 6: Final answer
    x = 8,714.07

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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.