Home / 18,556.59-27,832.19-5,405.43

Finding the Fourth Proportional to 18,556.59, 27,832.19 and 5,405.43

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Solution

The fourth proportional to 18,556.59, 27,832.19 and 5,405.43 is: 8,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.59 : 27,832.19 = 5,405.43 : x
  2. Step 2: Convert to fraction form
    18,556.59/27,832.19 = 5,405.43/x
  3. Step 3: Cross multiply
    18,556.59x = 27,832.19 × 5,405.43
  4. Step 4: Simplify right side
    18,556.59x = 150,444,927.76
  5. Step 5: Solve for x
    x = 150,444,927.76/18,556.59
  6. Step 6: Final answer
    x = 8,107.36

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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.