Home / 10,104.80-15,157.21-2,709.07

Finding the Fourth Proportional to 10,104.80, 15,157.21 and 2,709.07

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Solution

The fourth proportional to 10,104.80, 15,157.21 and 2,709.07 is: 4,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104.80 : 15,157.21 = 2,709.07 : x
  2. Step 2: Convert to fraction form
    10,104.80/15,157.21 = 2,709.07/x
  3. Step 3: Cross multiply
    10,104.80x = 15,157.21 × 2,709.07
  4. Step 4: Simplify right side
    10,104.80x = 41,061,942.89
  5. Step 5: Solve for x
    x = 41,061,942.89/10,104.80
  6. Step 6: Final answer
    x = 4,063.61

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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.