Home / 16,863.75-23,259.90-11,829.09

Finding the Fourth Proportional to 16,863.75, 23,259.90 and 11,829.09

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Solution

The fourth proportional to 16,863.75, 23,259.90 and 11,829.09 is: 16,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.75 : 23,259.90 = 11,829.09 : x
  2. Step 2: Convert to fraction form
    16,863.75/23,259.90 = 11,829.09/x
  3. Step 3: Cross multiply
    16,863.75x = 23,259.90 × 11,829.09
  4. Step 4: Simplify right side
    16,863.75x = 275,143,450.49
  5. Step 5: Solve for x
    x = 275,143,450.49/16,863.75
  6. Step 6: Final answer
    x = 16,315.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.