Home / 20,514.30-30,738.63-18,546.00

Finding the Fourth Proportional to 20,514.30, 30,738.63 and 18,546.00

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Solution

The fourth proportional to 20,514.30, 30,738.63 and 18,546.00 is: 27,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.30 : 30,738.63 = 18,546.00 : x
  2. Step 2: Convert to fraction form
    20,514.30/30,738.63 = 18,546.00/x
  3. Step 3: Cross multiply
    20,514.30x = 30,738.63 × 18,546.00
  4. Step 4: Simplify right side
    20,514.30x = 570,078,586.26
  5. Step 5: Solve for x
    x = 570,078,586.26/20,514.30
  6. Step 6: Final answer
    x = 27,789.33

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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.