Home / 18,237.93-27,369.19-7,143.22

Finding the Fourth Proportional to 18,237.93, 27,369.19 and 7,143.22

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Solution

The fourth proportional to 18,237.93, 27,369.19 and 7,143.22 is: 10,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.93 : 27,369.19 = 7,143.22 : x
  2. Step 2: Convert to fraction form
    18,237.93/27,369.19 = 7,143.22/x
  3. Step 3: Cross multiply
    18,237.93x = 27,369.19 × 7,143.22
  4. Step 4: Simplify right side
    18,237.93x = 195,504,188.53
  5. Step 5: Solve for x
    x = 195,504,188.53/18,237.93
  6. Step 6: Final answer
    x = 10,719.65

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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.