Home / 12,173.38-18,262.09-4,273.85

Finding the Fourth Proportional to 12,173.38, 18,262.09 and 4,273.85

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Solution

The fourth proportional to 12,173.38, 18,262.09 and 4,273.85 is: 6,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.38 : 18,262.09 = 4,273.85 : x
  2. Step 2: Convert to fraction form
    12,173.38/18,262.09 = 4,273.85/x
  3. Step 3: Cross multiply
    12,173.38x = 18,262.09 × 4,273.85
  4. Step 4: Simplify right side
    12,173.38x = 78,049,342.04
  5. Step 5: Solve for x
    x = 78,049,342.04/12,173.38
  6. Step 6: Final answer
    x = 6,411.48

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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.