Home / 13,514.56-20,272.88-3,653.89

Finding the Fourth Proportional to 13,514.56, 20,272.88 and 3,653.89

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Solution

The fourth proportional to 13,514.56, 20,272.88 and 3,653.89 is: 5,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.56 : 20,272.88 = 3,653.89 : x
  2. Step 2: Convert to fraction form
    13,514.56/20,272.88 = 3,653.89/x
  3. Step 3: Cross multiply
    13,514.56x = 20,272.88 × 3,653.89
  4. Step 4: Simplify right side
    13,514.56x = 74,074,831.96
  5. Step 5: Solve for x
    x = 74,074,831.96/13,514.56
  6. Step 6: Final answer
    x = 5,481.11

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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.