Home / 15,999.44-23,986.20-7,229.84

Finding the Fourth Proportional to 15,999.44, 23,986.20 and 7,229.84

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Solution

The fourth proportional to 15,999.44, 23,986.20 and 7,229.84 is: 10,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.44 : 23,986.20 = 7,229.84 : x
  2. Step 2: Convert to fraction form
    15,999.44/23,986.20 = 7,229.84/x
  3. Step 3: Cross multiply
    15,999.44x = 23,986.20 × 7,229.84
  4. Step 4: Simplify right side
    15,999.44x = 173,416,388.21
  5. Step 5: Solve for x
    x = 173,416,388.21/15,999.44
  6. Step 6: Final answer
    x = 10,838.90

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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.