Home / 13,884.48-19,144.20-11,223.60

Finding the Fourth Proportional to 13,884.48, 19,144.20 and 11,223.60

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Solution

The fourth proportional to 13,884.48, 19,144.20 and 11,223.60 is: 15,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.48 : 19,144.20 = 11,223.60 : x
  2. Step 2: Convert to fraction form
    13,884.48/19,144.20 = 11,223.60/x
  3. Step 3: Cross multiply
    13,884.48x = 19,144.20 × 11,223.60
  4. Step 4: Simplify right side
    13,884.48x = 214,866,843.12
  5. Step 5: Solve for x
    x = 214,866,843.12/13,884.48
  6. Step 6: Final answer
    x = 15,475.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.