Home / 13,840.62-20,764.23-4,480.65

Finding the Fourth Proportional to 13,840.62, 20,764.23 and 4,480.65

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Solution

The fourth proportional to 13,840.62, 20,764.23 and 4,480.65 is: 6,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.62 : 20,764.23 = 4,480.65 : x
  2. Step 2: Convert to fraction form
    13,840.62/20,764.23 = 4,480.65/x
  3. Step 3: Cross multiply
    13,840.62x = 20,764.23 × 4,480.65
  4. Step 4: Simplify right side
    13,840.62x = 93,037,143.33
  5. Step 5: Solve for x
    x = 93,037,143.33/13,840.62
  6. Step 6: Final answer
    x = 6,722.04

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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.