Home / 13,852.65-20,781.90-4,491.94

Finding the Fourth Proportional to 13,852.65, 20,781.90 and 4,491.94

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Solution

The fourth proportional to 13,852.65, 20,781.90 and 4,491.94 is: 6,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.65 : 20,781.90 = 4,491.94 : x
  2. Step 2: Convert to fraction form
    13,852.65/20,781.90 = 4,491.94/x
  3. Step 3: Cross multiply
    13,852.65x = 20,781.90 × 4,491.94
  4. Step 4: Simplify right side
    13,852.65x = 93,351,065.44
  5. Step 5: Solve for x
    x = 93,351,065.44/13,852.65
  6. Step 6: Final answer
    x = 6,738.86

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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.