Home / 13,836.56-20,754.72-3,975.80

Finding the Fourth Proportional to 13,836.56, 20,754.72 and 3,975.80

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Solution

The fourth proportional to 13,836.56, 20,754.72 and 3,975.80 is: 5,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.56 : 20,754.72 = 3,975.80 : x
  2. Step 2: Convert to fraction form
    13,836.56/20,754.72 = 3,975.80/x
  3. Step 3: Cross multiply
    13,836.56x = 20,754.72 × 3,975.80
  4. Step 4: Simplify right side
    13,836.56x = 82,516,512.00
  5. Step 5: Solve for x
    x = 82,516,512.00/13,836.56
  6. Step 6: Final answer
    x = 5,963.66

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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.