Home / 14,321.25-21,481.70-5,556.15

Finding the Fourth Proportional to 14,321.25, 21,481.70 and 5,556.15

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Solution

The fourth proportional to 14,321.25, 21,481.70 and 5,556.15 is: 8,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.25 : 21,481.70 = 5,556.15 : x
  2. Step 2: Convert to fraction form
    14,321.25/21,481.70 = 5,556.15/x
  3. Step 3: Cross multiply
    14,321.25x = 21,481.70 × 5,556.15
  4. Step 4: Simplify right side
    14,321.25x = 119,355,519.67
  5. Step 5: Solve for x
    x = 119,355,519.67/14,321.25
  6. Step 6: Final answer
    x = 8,334.16

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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.