Home / 18,190.70-25,099.37-10,635.54

Finding the Fourth Proportional to 18,190.70, 25,099.37 and 10,635.54

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Solution

The fourth proportional to 18,190.70, 25,099.37 and 10,635.54 is: 14,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.70 : 25,099.37 = 10,635.54 : x
  2. Step 2: Convert to fraction form
    18,190.70/25,099.37 = 10,635.54/x
  3. Step 3: Cross multiply
    18,190.70x = 25,099.37 × 10,635.54
  4. Step 4: Simplify right side
    18,190.70x = 266,945,300.43
  5. Step 5: Solve for x
    x = 266,945,300.43/18,190.70
  6. Step 6: Final answer
    x = 14,674.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.