Home / 10,828.22-16,236.55-4,979.81

Finding the Fourth Proportional to 10,828.22, 16,236.55 and 4,979.81

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Solution

The fourth proportional to 10,828.22, 16,236.55 and 4,979.81 is: 7,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.22 : 16,236.55 = 4,979.81 : x
  2. Step 2: Convert to fraction form
    10,828.22/16,236.55 = 4,979.81/x
  3. Step 3: Cross multiply
    10,828.22x = 16,236.55 × 4,979.81
  4. Step 4: Simplify right side
    10,828.22x = 80,854,980.87
  5. Step 5: Solve for x
    x = 80,854,980.87/10,828.22
  6. Step 6: Final answer
    x = 7,467.06

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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.