Home / 13,937.09-20,905.23-4,076.60

Finding the Fourth Proportional to 13,937.09, 20,905.23 and 4,076.60

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Solution

The fourth proportional to 13,937.09, 20,905.23 and 4,076.60 is: 6,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.09 : 20,905.23 = 4,076.60 : x
  2. Step 2: Convert to fraction form
    13,937.09/20,905.23 = 4,076.60/x
  3. Step 3: Cross multiply
    13,937.09x = 20,905.23 × 4,076.60
  4. Step 4: Simplify right side
    13,937.09x = 85,222,260.62
  5. Step 5: Solve for x
    x = 85,222,260.62/13,937.09
  6. Step 6: Final answer
    x = 6,114.78

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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.