Home / 20,132.37-30,185.23-9,604.01

Finding the Fourth Proportional to 20,132.37, 30,185.23 and 9,604.01

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Solution

The fourth proportional to 20,132.37, 30,185.23 and 9,604.01 is: 14,399.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.37 : 30,185.23 = 9,604.01 : x
  2. Step 2: Convert to fraction form
    20,132.37/30,185.23 = 9,604.01/x
  3. Step 3: Cross multiply
    20,132.37x = 30,185.23 × 9,604.01
  4. Step 4: Simplify right side
    20,132.37x = 289,899,360.75
  5. Step 5: Solve for x
    x = 289,899,360.75/20,132.37
  6. Step 6: Final answer
    x = 14,399.66

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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.