Home / 13,255.75-19,883.67-4,021.75

Finding the Fourth Proportional to 13,255.75, 19,883.67 and 4,021.75

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Solution

The fourth proportional to 13,255.75, 19,883.67 and 4,021.75 is: 6,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.75 : 19,883.67 = 4,021.75 : x
  2. Step 2: Convert to fraction form
    13,255.75/19,883.67 = 4,021.75/x
  3. Step 3: Cross multiply
    13,255.75x = 19,883.67 × 4,021.75
  4. Step 4: Simplify right side
    13,255.75x = 79,967,149.82
  5. Step 5: Solve for x
    x = 79,967,149.82/13,255.75
  6. Step 6: Final answer
    x = 6,032.64

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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.