Home / 19,911.22-29,807.43-12,096.34

Finding the Fourth Proportional to 19,911.22, 29,807.43 and 12,096.34

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Solution

The fourth proportional to 19,911.22, 29,807.43 and 12,096.34 is: 18,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.22 : 29,807.43 = 12,096.34 : x
  2. Step 2: Convert to fraction form
    19,911.22/29,807.43 = 12,096.34/x
  3. Step 3: Cross multiply
    19,911.22x = 29,807.43 × 12,096.34
  4. Step 4: Simplify right side
    19,911.22x = 360,560,807.81
  5. Step 5: Solve for x
    x = 360,560,807.81/19,911.22
  6. Step 6: Final answer
    x = 18,108.42

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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.