Home / 13,694.00-18,887.99-13,236.75

Finding the Fourth Proportional to 13,694.00, 18,887.99 and 13,236.75

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Solution

The fourth proportional to 13,694.00, 18,887.99 and 13,236.75 is: 18,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.00 : 18,887.99 = 13,236.75 : x
  2. Step 2: Convert to fraction form
    13,694.00/18,887.99 = 13,236.75/x
  3. Step 3: Cross multiply
    13,694.00x = 18,887.99 × 13,236.75
  4. Step 4: Simplify right side
    13,694.00x = 250,015,535.45
  5. Step 5: Solve for x
    x = 250,015,535.45/13,694.00
  6. Step 6: Final answer
    x = 18,257.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.