Home / 11,348-17,021.88-4,427.36

Finding the Fourth Proportional to 11,348, 17,021.88 and 4,427.36

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Solution

The fourth proportional to 11,348, 17,021.88 and 4,427.36 is: 6,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348 : 17,021.88 = 4,427.36 : x
  2. Step 2: Convert to fraction form
    11,348/17,021.88 = 4,427.36/x
  3. Step 3: Cross multiply
    11,348x = 17,021.88 × 4,427.36
  4. Step 4: Simplify right side
    11,348x = 75,361,990.64
  5. Step 5: Solve for x
    x = 75,361,990.64/11,348
  6. Step 6: Final answer
    x = 6,640.99

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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.