Home / 11,133.20-16,678.27-6,187.84

Finding the Fourth Proportional to 11,133.20, 16,678.27 and 6,187.84

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Solution

The fourth proportional to 11,133.20, 16,678.27 and 6,187.84 is: 9,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.20 : 16,678.27 = 6,187.84 : x
  2. Step 2: Convert to fraction form
    11,133.20/16,678.27 = 6,187.84/x
  3. Step 3: Cross multiply
    11,133.20x = 16,678.27 × 6,187.84
  4. Step 4: Simplify right side
    11,133.20x = 103,202,499.99
  5. Step 5: Solve for x
    x = 103,202,499.99/11,133.20
  6. Step 6: Final answer
    x = 9,269.80

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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.