Home / 13,704.94-20,557.34-3,316.69

Finding the Fourth Proportional to 13,704.94, 20,557.34 and 3,316.69

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Solution

The fourth proportional to 13,704.94, 20,557.34 and 3,316.69 is: 4,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.94 : 20,557.34 = 3,316.69 : x
  2. Step 2: Convert to fraction form
    13,704.94/20,557.34 = 3,316.69/x
  3. Step 3: Cross multiply
    13,704.94x = 20,557.34 × 3,316.69
  4. Step 4: Simplify right side
    13,704.94x = 68,182,324.00
  5. Step 5: Solve for x
    x = 68,182,324.00/13,704.94
  6. Step 6: Final answer
    x = 4,975.02

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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.