Home / 11,210.96-16,816.73-3,419.75

Finding the Fourth Proportional to 11,210.96, 16,816.73 and 3,419.75

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Solution

The fourth proportional to 11,210.96, 16,816.73 and 3,419.75 is: 5,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.96 : 16,816.73 = 3,419.75 : x
  2. Step 2: Convert to fraction form
    11,210.96/16,816.73 = 3,419.75/x
  3. Step 3: Cross multiply
    11,210.96x = 16,816.73 × 3,419.75
  4. Step 4: Simplify right side
    11,210.96x = 57,509,012.42
  5. Step 5: Solve for x
    x = 57,509,012.42/11,210.96
  6. Step 6: Final answer
    x = 5,129.71

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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.