Home / 11,104.85-16,661.90-4,861.65

Finding the Fourth Proportional to 11,104.85, 16,661.90 and 4,861.65

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Solution

The fourth proportional to 11,104.85, 16,661.90 and 4,861.65 is: 7,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.85 : 16,661.90 = 4,861.65 : x
  2. Step 2: Convert to fraction form
    11,104.85/16,661.90 = 4,861.65/x
  3. Step 3: Cross multiply
    11,104.85x = 16,661.90 × 4,861.65
  4. Step 4: Simplify right side
    11,104.85x = 81,004,301.83
  5. Step 5: Solve for x
    x = 81,004,301.83/11,104.85
  6. Step 6: Final answer
    x = 7,294.50

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1.5x scale

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.