Home / 18,514.59-27,707.28-15,143.88

Finding the Fourth Proportional to 18,514.59, 27,707.28 and 15,143.88

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Solution

The fourth proportional to 18,514.59, 27,707.28 and 15,143.88 is: 22,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.59 : 27,707.28 = 15,143.88 : x
  2. Step 2: Convert to fraction form
    18,514.59/27,707.28 = 15,143.88/x
  3. Step 3: Cross multiply
    18,514.59x = 27,707.28 × 15,143.88
  4. Step 4: Simplify right side
    18,514.59x = 419,595,723.45
  5. Step 5: Solve for x
    x = 419,595,723.45/18,514.59
  6. Step 6: Final answer
    x = 22,662.98

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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.