Home / 18,229.74-25,144.47-13,991.82

Finding the Fourth Proportional to 18,229.74, 25,144.47 and 13,991.82

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Solution

The fourth proportional to 18,229.74, 25,144.47 and 13,991.82 is: 19,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.74 : 25,144.47 = 13,991.82 : x
  2. Step 2: Convert to fraction form
    18,229.74/25,144.47 = 13,991.82/x
  3. Step 3: Cross multiply
    18,229.74x = 25,144.47 × 13,991.82
  4. Step 4: Simplify right side
    18,229.74x = 351,816,898.24
  5. Step 5: Solve for x
    x = 351,816,898.24/18,229.74
  6. Step 6: Final answer
    x = 19,299.06

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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.