Home / 16,814.79-25,173.21-13,105.71

Finding the Fourth Proportional to 16,814.79, 25,173.21 and 13,105.71

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Solution

The fourth proportional to 16,814.79, 25,173.21 and 13,105.71 is: 19,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.79 : 25,173.21 = 13,105.71 : x
  2. Step 2: Convert to fraction form
    16,814.79/25,173.21 = 13,105.71/x
  3. Step 3: Cross multiply
    16,814.79x = 25,173.21 × 13,105.71
  4. Step 4: Simplify right side
    16,814.79x = 329,912,790.03
  5. Step 5: Solve for x
    x = 329,912,790.03/16,814.79
  6. Step 6: Final answer
    x = 19,620.39

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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.