Home / 13,836.20-20,755.53-5,939.10

Finding the Fourth Proportional to 13,836.20, 20,755.53 and 5,939.10

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Solution

The fourth proportional to 13,836.20, 20,755.53 and 5,939.10 is: 8,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.20 : 20,755.53 = 5,939.10 : x
  2. Step 2: Convert to fraction form
    13,836.20/20,755.53 = 5,939.10/x
  3. Step 3: Cross multiply
    13,836.20x = 20,755.53 × 5,939.10
  4. Step 4: Simplify right side
    13,836.20x = 123,269,168.22
  5. Step 5: Solve for x
    x = 123,269,168.22/13,836.20
  6. Step 6: Final answer
    x = 8,909.18

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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.