Home / 18,143.74-27,211.47-4,997.26

Finding the Fourth Proportional to 18,143.74, 27,211.47 and 4,997.26

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Solution

The fourth proportional to 18,143.74, 27,211.47 and 4,997.26 is: 7,494.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.74 : 27,211.47 = 4,997.26 : x
  2. Step 2: Convert to fraction form
    18,143.74/27,211.47 = 4,997.26/x
  3. Step 3: Cross multiply
    18,143.74x = 27,211.47 × 4,997.26
  4. Step 4: Simplify right side
    18,143.74x = 135,982,790.57
  5. Step 5: Solve for x
    x = 135,982,790.57/18,143.74
  6. Step 6: Final answer
    x = 7,494.75

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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.