Home / 14,556.76-21,853.60-12,121.36

Finding the Fourth Proportional to 14,556.76, 21,853.60 and 12,121.36

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Solution

The fourth proportional to 14,556.76, 21,853.60 and 12,121.36 is: 18,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.76 : 21,853.60 = 12,121.36 : x
  2. Step 2: Convert to fraction form
    14,556.76/21,853.60 = 12,121.36/x
  3. Step 3: Cross multiply
    14,556.76x = 21,853.60 × 12,121.36
  4. Step 4: Simplify right side
    14,556.76x = 264,895,352.90
  5. Step 5: Solve for x
    x = 264,895,352.90/14,556.76
  6. Step 6: Final answer
    x = 18,197.41

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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.