Home / 10,399.14-15,599.70-3,825.45

Finding the Fourth Proportional to 10,399.14, 15,599.70 and 3,825.45

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Solution

The fourth proportional to 10,399.14, 15,599.70 and 3,825.45 is: 5,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.14 : 15,599.70 = 3,825.45 : x
  2. Step 2: Convert to fraction form
    10,399.14/15,599.70 = 3,825.45/x
  3. Step 3: Cross multiply
    10,399.14x = 15,599.70 × 3,825.45
  4. Step 4: Simplify right side
    10,399.14x = 59,675,872.37
  5. Step 5: Solve for x
    x = 59,675,872.37/10,399.14
  6. Step 6: Final answer
    x = 5,738.54

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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.