Home / 11,299.32-16,949.08-2,980.52

Finding the Fourth Proportional to 11,299.32, 16,949.08 and 2,980.52

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Solution

The fourth proportional to 11,299.32, 16,949.08 and 2,980.52 is: 4,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.32 : 16,949.08 = 2,980.52 : x
  2. Step 2: Convert to fraction form
    11,299.32/16,949.08 = 2,980.52/x
  3. Step 3: Cross multiply
    11,299.32x = 16,949.08 × 2,980.52
  4. Step 4: Simplify right side
    11,299.32x = 50,517,079.37
  5. Step 5: Solve for x
    x = 50,517,079.37/11,299.32
  6. Step 6: Final answer
    x = 4,470.81

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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.