Home / 10,949.09-16,435.92-4,379.86

Finding the Fourth Proportional to 10,949.09, 16,435.92 and 4,379.86

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Solution

The fourth proportional to 10,949.09, 16,435.92 and 4,379.86 is: 6,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.09 : 16,435.92 = 4,379.86 : x
  2. Step 2: Convert to fraction form
    10,949.09/16,435.92 = 4,379.86/x
  3. Step 3: Cross multiply
    10,949.09x = 16,435.92 × 4,379.86
  4. Step 4: Simplify right side
    10,949.09x = 71,986,946.39
  5. Step 5: Solve for x
    x = 71,986,946.39/10,949.09
  6. Step 6: Final answer
    x = 6,574.70

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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.