Home / 13,632.94-20,448.83-4,272.75

Finding the Fourth Proportional to 13,632.94, 20,448.83 and 4,272.75

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Solution

The fourth proportional to 13,632.94, 20,448.83 and 4,272.75 is: 6,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.94 : 20,448.83 = 4,272.75 : x
  2. Step 2: Convert to fraction form
    13,632.94/20,448.83 = 4,272.75/x
  3. Step 3: Cross multiply
    13,632.94x = 20,448.83 × 4,272.75
  4. Step 4: Simplify right side
    13,632.94x = 87,372,738.38
  5. Step 5: Solve for x
    x = 87,372,738.38/13,632.94
  6. Step 6: Final answer
    x = 6,408.94

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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.