Home / 10,219.37-15,329.06-2,823.84

Finding the Fourth Proportional to 10,219.37, 15,329.06 and 2,823.84

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Solution

The fourth proportional to 10,219.37, 15,329.06 and 2,823.84 is: 4,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.37 : 15,329.06 = 2,823.84 : x
  2. Step 2: Convert to fraction form
    10,219.37/15,329.06 = 2,823.84/x
  3. Step 3: Cross multiply
    10,219.37x = 15,329.06 × 2,823.84
  4. Step 4: Simplify right side
    10,219.37x = 43,286,790.54
  5. Step 5: Solve for x
    x = 43,286,790.54/10,219.37
  6. Step 6: Final answer
    x = 4,235.76

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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.