Home / 18,944.10-28,424.34-10,168.76

Finding the Fourth Proportional to 18,944.10, 28,424.34 and 10,168.76

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Solution

The fourth proportional to 18,944.10, 28,424.34 and 10,168.76 is: 15,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.10 : 28,424.34 = 10,168.76 : x
  2. Step 2: Convert to fraction form
    18,944.10/28,424.34 = 10,168.76/x
  3. Step 3: Cross multiply
    18,944.10x = 28,424.34 × 10,168.76
  4. Step 4: Simplify right side
    18,944.10x = 289,040,149.50
  5. Step 5: Solve for x
    x = 289,040,149.50/18,944.10
  6. Step 6: Final answer
    x = 15,257.53

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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.