Home / 18,514.64-25,539.82-11,348.03

Finding the Fourth Proportional to 18,514.64, 25,539.82 and 11,348.03

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Solution

The fourth proportional to 18,514.64, 25,539.82 and 11,348.03 is: 15,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.64 : 25,539.82 = 11,348.03 : x
  2. Step 2: Convert to fraction form
    18,514.64/25,539.82 = 11,348.03/x
  3. Step 3: Cross multiply
    18,514.64x = 25,539.82 × 11,348.03
  4. Step 4: Simplify right side
    18,514.64x = 289,826,679.03
  5. Step 5: Solve for x
    x = 289,826,679.03/18,514.64
  6. Step 6: Final answer
    x = 15,653.92

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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.