Home / 18,249.36-25,198.37-14,281.78

Finding the Fourth Proportional to 18,249.36, 25,198.37 and 14,281.78

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Solution

The fourth proportional to 18,249.36, 25,198.37 and 14,281.78 is: 19,720.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.36 : 25,198.37 = 14,281.78 : x
  2. Step 2: Convert to fraction form
    18,249.36/25,198.37 = 14,281.78/x
  3. Step 3: Cross multiply
    18,249.36x = 25,198.37 × 14,281.78
  4. Step 4: Simplify right side
    18,249.36x = 359,877,576.70
  5. Step 5: Solve for x
    x = 359,877,576.70/18,249.36
  6. Step 6: Final answer
    x = 19,720.01

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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.