Home / 18,514.21-25,523.03-13,199.80

Finding the Fourth Proportional to 18,514.21, 25,523.03 and 13,199.80

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Solution

The fourth proportional to 18,514.21, 25,523.03 and 13,199.80 is: 18,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.21 : 25,523.03 = 13,199.80 : x
  2. Step 2: Convert to fraction form
    18,514.21/25,523.03 = 13,199.80/x
  3. Step 3: Cross multiply
    18,514.21x = 25,523.03 × 13,199.80
  4. Step 4: Simplify right side
    18,514.21x = 336,898,891.39
  5. Step 5: Solve for x
    x = 336,898,891.39/18,514.21
  6. Step 6: Final answer
    x = 18,196.77

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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.