Home / 11,208.30-16,811.83-3,416.50

Finding the Fourth Proportional to 11,208.30, 16,811.83 and 3,416.50

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Solution

The fourth proportional to 11,208.30, 16,811.83 and 3,416.50 is: 5,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.30 : 16,811.83 = 3,416.50 : x
  2. Step 2: Convert to fraction form
    11,208.30/16,811.83 = 3,416.50/x
  3. Step 3: Cross multiply
    11,208.30x = 16,811.83 × 3,416.50
  4. Step 4: Simplify right side
    11,208.30x = 57,437,617.20
  5. Step 5: Solve for x
    x = 57,437,617.20/11,208.30
  6. Step 6: Final answer
    x = 5,124.56

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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.