Home / 22,268.47-33,405.78-7,481.62

Finding the Fourth Proportional to 22,268.47, 33,405.78 and 7,481.62

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Solution

The fourth proportional to 22,268.47, 33,405.78 and 7,481.62 is: 11,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.47 : 33,405.78 = 7,481.62 : x
  2. Step 2: Convert to fraction form
    22,268.47/33,405.78 = 7,481.62/x
  3. Step 3: Cross multiply
    22,268.47x = 33,405.78 × 7,481.62
  4. Step 4: Simplify right side
    22,268.47x = 249,929,268.25
  5. Step 5: Solve for x
    x = 249,929,268.25/22,268.47
  6. Step 6: Final answer
    x = 11,223.46

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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.