Home / 13,222.26-19,794.87-10,291.68

Finding the Fourth Proportional to 13,222.26, 19,794.87 and 10,291.68

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Solution

The fourth proportional to 13,222.26, 19,794.87 and 10,291.68 is: 15,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.26 : 19,794.87 = 10,291.68 : x
  2. Step 2: Convert to fraction form
    13,222.26/19,794.87 = 10,291.68/x
  3. Step 3: Cross multiply
    13,222.26x = 19,794.87 × 10,291.68
  4. Step 4: Simplify right side
    13,222.26x = 203,722,467.68
  5. Step 5: Solve for x
    x = 203,722,467.68/13,222.26
  6. Step 6: Final answer
    x = 15,407.54

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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.