Home / 13,222.26-19,825.47-4,212.48

Finding the Fourth Proportional to 13,222.26, 19,825.47 and 4,212.48

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Solution

The fourth proportional to 13,222.26, 19,825.47 and 4,212.48 is: 6,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.26 : 19,825.47 = 4,212.48 : x
  2. Step 2: Convert to fraction form
    13,222.26/19,825.47 = 4,212.48/x
  3. Step 3: Cross multiply
    13,222.26x = 19,825.47 × 4,212.48
  4. Step 4: Simplify right side
    13,222.26x = 83,514,395.87
  5. Step 5: Solve for x
    x = 83,514,395.87/13,222.26
  6. Step 6: Final answer
    x = 6,316.20

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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.