Home / 11,145.93-16,714.67-3,647.75

Finding the Fourth Proportional to 11,145.93, 16,714.67 and 3,647.75

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Solution

The fourth proportional to 11,145.93, 16,714.67 and 3,647.75 is: 5,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.93 : 16,714.67 = 3,647.75 : x
  2. Step 2: Convert to fraction form
    11,145.93/16,714.67 = 3,647.75/x
  3. Step 3: Cross multiply
    11,145.93x = 16,714.67 × 3,647.75
  4. Step 4: Simplify right side
    11,145.93x = 60,970,835.68
  5. Step 5: Solve for x
    x = 60,970,835.68/11,145.93
  6. Step 6: Final answer
    x = 5,470.23

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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.