Home / 11,189.07-16,782.73-4,949.30

Finding the Fourth Proportional to 11,189.07, 16,782.73 and 4,949.30

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Solution

The fourth proportional to 11,189.07, 16,782.73 and 4,949.30 is: 7,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.07 : 16,782.73 = 4,949.30 : x
  2. Step 2: Convert to fraction form
    11,189.07/16,782.73 = 4,949.30/x
  3. Step 3: Cross multiply
    11,189.07x = 16,782.73 × 4,949.30
  4. Step 4: Simplify right side
    11,189.07x = 83,062,795.17
  5. Step 5: Solve for x
    x = 83,062,795.17/11,189.07
  6. Step 6: Final answer
    x = 7,423.57

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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.