Home / 13,938.04-20,906.94-3,550.60

Finding the Fourth Proportional to 13,938.04, 20,906.94 and 3,550.60

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Solution

The fourth proportional to 13,938.04, 20,906.94 and 3,550.60 is: 5,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.04 : 20,906.94 = 3,550.60 : x
  2. Step 2: Convert to fraction form
    13,938.04/20,906.94 = 3,550.60/x
  3. Step 3: Cross multiply
    13,938.04x = 20,906.94 × 3,550.60
  4. Step 4: Simplify right side
    13,938.04x = 74,232,181.16
  5. Step 5: Solve for x
    x = 74,232,181.16/13,938.04
  6. Step 6: Final answer
    x = 5,325.87

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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.