Home / 11,190.65-16,785.99-5,329.49

Finding the Fourth Proportional to 11,190.65, 16,785.99 and 5,329.49

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Solution

The fourth proportional to 11,190.65, 16,785.99 and 5,329.49 is: 7,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.65 : 16,785.99 = 5,329.49 : x
  2. Step 2: Convert to fraction form
    11,190.65/16,785.99 = 5,329.49/x
  3. Step 3: Cross multiply
    11,190.65x = 16,785.99 × 5,329.49
  4. Step 4: Simplify right side
    11,190.65x = 89,460,765.85
  5. Step 5: Solve for x
    x = 89,460,765.85/11,190.65
  6. Step 6: Final answer
    x = 7,994.24

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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.