Home / 10,811.44-16,206-3,785.32

Finding the Fourth Proportional to 10,811.44, 16,206 and 3,785.32

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Solution

The fourth proportional to 10,811.44, 16,206 and 3,785.32 is: 5,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.44 : 16,206 = 3,785.32 : x
  2. Step 2: Convert to fraction form
    10,811.44/16,206 = 3,785.32/x
  3. Step 3: Cross multiply
    10,811.44x = 16,206 × 3,785.32
  4. Step 4: Simplify right side
    10,811.44x = 61,344,895.92
  5. Step 5: Solve for x
    x = 61,344,895.92/10,811.44
  6. Step 6: Final answer
    x = 5,674.07

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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.