Home / 19,672.28-27,144.57-11,714.30

Finding the Fourth Proportional to 19,672.28, 27,144.57 and 11,714.30

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Solution

The fourth proportional to 19,672.28, 27,144.57 and 11,714.30 is: 16,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.28 : 27,144.57 = 11,714.30 : x
  2. Step 2: Convert to fraction form
    19,672.28/27,144.57 = 11,714.30/x
  3. Step 3: Cross multiply
    19,672.28x = 27,144.57 × 11,714.30
  4. Step 4: Simplify right side
    19,672.28x = 317,979,636.35
  5. Step 5: Solve for x
    x = 317,979,636.35/19,672.28
  6. Step 6: Final answer
    x = 16,163.84

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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.