Home / 18,372.67-27,556.05-5,042.55

Finding the Fourth Proportional to 18,372.67, 27,556.05 and 5,042.55

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Solution

The fourth proportional to 18,372.67, 27,556.05 and 5,042.55 is: 7,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.67 : 27,556.05 = 5,042.55 : x
  2. Step 2: Convert to fraction form
    18,372.67/27,556.05 = 5,042.55/x
  3. Step 3: Cross multiply
    18,372.67x = 27,556.05 × 5,042.55
  4. Step 4: Simplify right side
    18,372.67x = 138,952,741.02
  5. Step 5: Solve for x
    x = 138,952,741.02/18,372.67
  6. Step 6: Final answer
    x = 7,563.01

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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.