Home / 13,512.56-20,268.83-4,745.42

Finding the Fourth Proportional to 13,512.56, 20,268.83 and 4,745.42

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Solution

The fourth proportional to 13,512.56, 20,268.83 and 4,745.42 is: 7,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.56 : 20,268.83 = 4,745.42 : x
  2. Step 2: Convert to fraction form
    13,512.56/20,268.83 = 4,745.42/x
  3. Step 3: Cross multiply
    13,512.56x = 20,268.83 × 4,745.42
  4. Step 4: Simplify right side
    13,512.56x = 96,184,097.79
  5. Step 5: Solve for x
    x = 96,184,097.79/13,512.56
  6. Step 6: Final answer
    x = 7,118.13

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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.