Home / 17,139.96-25,704.47-5,450.45

Finding the Fourth Proportional to 17,139.96, 25,704.47 and 5,450.45

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Solution

The fourth proportional to 17,139.96, 25,704.47 and 5,450.45 is: 8,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.96 : 25,704.47 = 5,450.45 : x
  2. Step 2: Convert to fraction form
    17,139.96/25,704.47 = 5,450.45/x
  3. Step 3: Cross multiply
    17,139.96x = 25,704.47 × 5,450.45
  4. Step 4: Simplify right side
    17,139.96x = 140,100,813.62
  5. Step 5: Solve for x
    x = 140,100,813.62/17,139.96
  6. Step 6: Final answer
    x = 8,173.93

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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.