Home / 13,336.25-20,005.41-3,975.55

Finding the Fourth Proportional to 13,336.25, 20,005.41 and 3,975.55

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Solution

The fourth proportional to 13,336.25, 20,005.41 and 3,975.55 is: 5,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.25 : 20,005.41 = 3,975.55 : x
  2. Step 2: Convert to fraction form
    13,336.25/20,005.41 = 3,975.55/x
  3. Step 3: Cross multiply
    13,336.25x = 20,005.41 × 3,975.55
  4. Step 4: Simplify right side
    13,336.25x = 79,532,507.73
  5. Step 5: Solve for x
    x = 79,532,507.73/13,336.25
  6. Step 6: Final answer
    x = 5,963.63

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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.