Home / 18,515.16-27,771.93-5,367.24

Finding the Fourth Proportional to 18,515.16, 27,771.93 and 5,367.24

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Solution

The fourth proportional to 18,515.16, 27,771.93 and 5,367.24 is: 8,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.16 : 27,771.93 = 5,367.24 : x
  2. Step 2: Convert to fraction form
    18,515.16/27,771.93 = 5,367.24/x
  3. Step 3: Cross multiply
    18,515.16x = 27,771.93 × 5,367.24
  4. Step 4: Simplify right side
    18,515.16x = 149,058,613.57
  5. Step 5: Solve for x
    x = 149,058,613.57/18,515.16
  6. Step 6: Final answer
    x = 8,050.63

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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.