Home / 13,704.30-20,556.44-3,316.05

Finding the Fourth Proportional to 13,704.30, 20,556.44 and 3,316.05

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Solution

The fourth proportional to 13,704.30, 20,556.44 and 3,316.05 is: 4,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.30 : 20,556.44 = 3,316.05 : x
  2. Step 2: Convert to fraction form
    13,704.30/20,556.44 = 3,316.05/x
  3. Step 3: Cross multiply
    13,704.30x = 20,556.44 × 3,316.05
  4. Step 4: Simplify right side
    13,704.30x = 68,166,182.86
  5. Step 5: Solve for x
    x = 68,166,182.86/13,704.30
  6. Step 6: Final answer
    x = 4,974.07

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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.