Home / 11,303.20-16,949.04-4,379.68

Finding the Fourth Proportional to 11,303.20, 16,949.04 and 4,379.68

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Solution

The fourth proportional to 11,303.20, 16,949.04 and 4,379.68 is: 6,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.20 : 16,949.04 = 4,379.68 : x
  2. Step 2: Convert to fraction form
    11,303.20/16,949.04 = 4,379.68/x
  3. Step 3: Cross multiply
    11,303.20x = 16,949.04 × 4,379.68
  4. Step 4: Simplify right side
    11,303.20x = 74,231,371.51
  5. Step 5: Solve for x
    x = 74,231,371.51/11,303.20
  6. Step 6: Final answer
    x = 6,567.29

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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.