Home / 11,208.81-16,816.86-5,365.88

Finding the Fourth Proportional to 11,208.81, 16,816.86 and 5,365.88

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Solution

The fourth proportional to 11,208.81, 16,816.86 and 5,365.88 is: 8,050.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.81 : 16,816.86 = 5,365.88 : x
  2. Step 2: Convert to fraction form
    11,208.81/16,816.86 = 5,365.88/x
  3. Step 3: Cross multiply
    11,208.81x = 16,816.86 × 5,365.88
  4. Step 4: Simplify right side
    11,208.81x = 90,237,168.65
  5. Step 5: Solve for x
    x = 90,237,168.65/11,208.81
  6. Step 6: Final answer
    x = 8,050.56

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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.