Home / 13,512.36-20,268.54-4,152.36

Finding the Fourth Proportional to 13,512.36, 20,268.54 and 4,152.36

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Solution

The fourth proportional to 13,512.36, 20,268.54 and 4,152.36 is: 6,228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.36 : 20,268.54 = 4,152.36 : x
  2. Step 2: Convert to fraction form
    13,512.36/20,268.54 = 4,152.36/x
  3. Step 3: Cross multiply
    13,512.36x = 20,268.54 × 4,152.36
  4. Step 4: Simplify right side
    13,512.36x = 84,162,274.75
  5. Step 5: Solve for x
    x = 84,162,274.75/13,512.36
  6. Step 6: Final answer
    x = 6,228.54

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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.