Home / 18,190.16-27,285.15-5,042.49

Finding the Fourth Proportional to 18,190.16, 27,285.15 and 5,042.49

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Solution

The fourth proportional to 18,190.16, 27,285.15 and 5,042.49 is: 7,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.16 : 27,285.15 = 5,042.49 : x
  2. Step 2: Convert to fraction form
    18,190.16/27,285.15 = 5,042.49/x
  3. Step 3: Cross multiply
    18,190.16x = 27,285.15 × 5,042.49
  4. Step 4: Simplify right side
    18,190.16x = 137,585,012.61
  5. Step 5: Solve for x
    x = 137,585,012.61/18,190.16
  6. Step 6: Final answer
    x = 7,563.71

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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.