Home / 13,336.75-20,008.37-4,102.75

Finding the Fourth Proportional to 13,336.75, 20,008.37 and 4,102.75

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Solution

The fourth proportional to 13,336.75, 20,008.37 and 4,102.75 is: 6,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.75 : 20,008.37 = 4,102.75 : x
  2. Step 2: Convert to fraction form
    13,336.75/20,008.37 = 4,102.75/x
  3. Step 3: Cross multiply
    13,336.75x = 20,008.37 × 4,102.75
  4. Step 4: Simplify right side
    13,336.75x = 82,089,340.02
  5. Step 5: Solve for x
    x = 82,089,340.02/13,336.75
  6. Step 6: Final answer
    x = 6,155.12

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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.