Home / 18,418.96-27,621.54-5,942.20

Finding the Fourth Proportional to 18,418.96, 27,621.54 and 5,942.20

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Solution

The fourth proportional to 18,418.96, 27,621.54 and 5,942.20 is: 8,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.96 : 27,621.54 = 5,942.20 : x
  2. Step 2: Convert to fraction form
    18,418.96/27,621.54 = 5,942.20/x
  3. Step 3: Cross multiply
    18,418.96x = 27,621.54 × 5,942.20
  4. Step 4: Simplify right side
    18,418.96x = 164,132,714.99
  5. Step 5: Solve for x
    x = 164,132,714.99/18,418.96
  6. Step 6: Final answer
    x = 8,911.07

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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.