Home / 20,096.22-30,138.36-7,606.98

Finding the Fourth Proportional to 20,096.22, 30,138.36 and 7,606.98

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Solution

The fourth proportional to 20,096.22, 30,138.36 and 7,606.98 is: 11,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.22 : 30,138.36 = 7,606.98 : x
  2. Step 2: Convert to fraction form
    20,096.22/30,138.36 = 7,606.98/x
  3. Step 3: Cross multiply
    20,096.22x = 30,138.36 × 7,606.98
  4. Step 4: Simplify right side
    20,096.22x = 229,261,901.75
  5. Step 5: Solve for x
    x = 229,261,901.75/20,096.22
  6. Step 6: Final answer
    x = 11,408.21

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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.