Home / 18,500.34-27,757.45-11,110.10

Finding the Fourth Proportional to 18,500.34, 27,757.45 and 11,110.10

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Solution

The fourth proportional to 18,500.34, 27,757.45 and 11,110.10 is: 16,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.34 : 27,757.45 = 11,110.10 : x
  2. Step 2: Convert to fraction form
    18,500.34/27,757.45 = 11,110.10/x
  3. Step 3: Cross multiply
    18,500.34x = 27,757.45 × 11,110.10
  4. Step 4: Simplify right side
    18,500.34x = 308,388,076.48
  5. Step 5: Solve for x
    x = 308,388,076.48/18,500.34
  6. Step 6: Final answer
    x = 16,669.32

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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.