Home / 18,477.03-27,714.70-6,789.39

Finding the Fourth Proportional to 18,477.03, 27,714.70 and 6,789.39

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Solution

The fourth proportional to 18,477.03, 27,714.70 and 6,789.39 is: 10,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.03 : 27,714.70 = 6,789.39 : x
  2. Step 2: Convert to fraction form
    18,477.03/27,714.70 = 6,789.39/x
  3. Step 3: Cross multiply
    18,477.03x = 27,714.70 × 6,789.39
  4. Step 4: Simplify right side
    18,477.03x = 188,165,907.03
  5. Step 5: Solve for x
    x = 188,165,907.03/18,477.03
  6. Step 6: Final answer
    x = 10,183.77

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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.