Home / 14,649.78-21,974.48-3,556.58

Finding the Fourth Proportional to 14,649.78, 21,974.48 and 3,556.58

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Solution

The fourth proportional to 14,649.78, 21,974.48 and 3,556.58 is: 5,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.78 : 21,974.48 = 3,556.58 : x
  2. Step 2: Convert to fraction form
    14,649.78/21,974.48 = 3,556.58/x
  3. Step 3: Cross multiply
    14,649.78x = 21,974.48 × 3,556.58
  4. Step 4: Simplify right side
    14,649.78x = 78,153,996.08
  5. Step 5: Solve for x
    x = 78,153,996.08/14,649.78
  6. Step 6: Final answer
    x = 5,334.82

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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.