Home / 15,850.09-23,778.74-8,450.65

Finding the Fourth Proportional to 15,850.09, 23,778.74 and 8,450.65

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Solution

The fourth proportional to 15,850.09, 23,778.74 and 8,450.65 is: 12,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.09 : 23,778.74 = 8,450.65 : x
  2. Step 2: Convert to fraction form
    15,850.09/23,778.74 = 8,450.65/x
  3. Step 3: Cross multiply
    15,850.09x = 23,778.74 × 8,450.65
  4. Step 4: Simplify right side
    15,850.09x = 200,945,809.18
  5. Step 5: Solve for x
    x = 200,945,809.18/15,850.09
  6. Step 6: Final answer
    x = 12,677.90

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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.