Home / 12,728.44-19,076.96-9,230.46

Finding the Fourth Proportional to 12,728.44, 19,076.96 and 9,230.46

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Solution

The fourth proportional to 12,728.44, 19,076.96 and 9,230.46 is: 13,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.44 : 19,076.96 = 9,230.46 : x
  2. Step 2: Convert to fraction form
    12,728.44/19,076.96 = 9,230.46/x
  3. Step 3: Cross multiply
    12,728.44x = 19,076.96 × 9,230.46
  4. Step 4: Simplify right side
    12,728.44x = 176,089,116.20
  5. Step 5: Solve for x
    x = 176,089,116.20/12,728.44
  6. Step 6: Final answer
    x = 13,834.30

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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.