Home / 10,199.37-15,299.23-2,803.79

Finding the Fourth Proportional to 10,199.37, 15,299.23 and 2,803.79

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Solution

The fourth proportional to 10,199.37, 15,299.23 and 2,803.79 is: 4,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.37 : 15,299.23 = 2,803.79 : x
  2. Step 2: Convert to fraction form
    10,199.37/15,299.23 = 2,803.79/x
  3. Step 3: Cross multiply
    10,199.37x = 15,299.23 × 2,803.79
  4. Step 4: Simplify right side
    10,199.37x = 42,895,828.08
  5. Step 5: Solve for x
    x = 42,895,828.08/10,199.37
  6. Step 6: Final answer
    x = 4,205.73

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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.