Home / 12,243.40-18,365.10-8,096.20

Finding the Fourth Proportional to 12,243.40, 18,365.10 and 8,096.20

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Solution

The fourth proportional to 12,243.40, 18,365.10 and 8,096.20 is: 12,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.40 : 18,365.10 = 8,096.20 : x
  2. Step 2: Convert to fraction form
    12,243.40/18,365.10 = 8,096.20/x
  3. Step 3: Cross multiply
    12,243.40x = 18,365.10 × 8,096.20
  4. Step 4: Simplify right side
    12,243.40x = 148,687,522.62
  5. Step 5: Solve for x
    x = 148,687,522.62/12,243.40
  6. Step 6: Final answer
    x = 12,144.30

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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.