Home / 15,121.54-22,679.34-14,371.41

Finding the Fourth Proportional to 15,121.54, 22,679.34 and 14,371.41

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Solution

The fourth proportional to 15,121.54, 22,679.34 and 14,371.41 is: 21,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.54 : 22,679.34 = 14,371.41 : x
  2. Step 2: Convert to fraction form
    15,121.54/22,679.34 = 14,371.41/x
  3. Step 3: Cross multiply
    15,121.54x = 22,679.34 × 14,371.41
  4. Step 4: Simplify right side
    15,121.54x = 325,934,078.09
  5. Step 5: Solve for x
    x = 325,934,078.09/15,121.54
  6. Step 6: Final answer
    x = 21,554.30

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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.