Home / 17,145.85-25,761.90-10,908.64

Finding the Fourth Proportional to 17,145.85, 25,761.90 and 10,908.64

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Solution

The fourth proportional to 17,145.85, 25,761.90 and 10,908.64 is: 16,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.85 : 25,761.90 = 10,908.64 : x
  2. Step 2: Convert to fraction form
    17,145.85/25,761.90 = 10,908.64/x
  3. Step 3: Cross multiply
    17,145.85x = 25,761.90 × 10,908.64
  4. Step 4: Simplify right side
    17,145.85x = 281,027,357.22
  5. Step 5: Solve for x
    x = 281,027,357.22/17,145.85
  6. Step 6: Final answer
    x = 16,390.41

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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.