Home / 10,821.07-16,231.65-3,029.68

Finding the Fourth Proportional to 10,821.07, 16,231.65 and 3,029.68

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Solution

The fourth proportional to 10,821.07, 16,231.65 and 3,029.68 is: 4,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.07 : 16,231.65 = 3,029.68 : x
  2. Step 2: Convert to fraction form
    10,821.07/16,231.65 = 3,029.68/x
  3. Step 3: Cross multiply
    10,821.07x = 16,231.65 × 3,029.68
  4. Step 4: Simplify right side
    10,821.07x = 49,176,705.37
  5. Step 5: Solve for x
    x = 49,176,705.37/10,821.07
  6. Step 6: Final answer
    x = 4,544.53

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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.