Home / 14,115.29-21,144.22-11,326.86

Finding the Fourth Proportional to 14,115.29, 21,144.22 and 11,326.86

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Solution

The fourth proportional to 14,115.29, 21,144.22 and 11,326.86 is: 16,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.29 : 21,144.22 = 11,326.86 : x
  2. Step 2: Convert to fraction form
    14,115.29/21,144.22 = 11,326.86/x
  3. Step 3: Cross multiply
    14,115.29x = 21,144.22 × 11,326.86
  4. Step 4: Simplify right side
    14,115.29x = 239,497,591.43
  5. Step 5: Solve for x
    x = 239,497,591.43/14,115.29
  6. Step 6: Final answer
    x = 16,967.25

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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.