Home / 20,132.37-30,207.09-10,769.94

Finding the Fourth Proportional to 20,132.37, 30,207.09 and 10,769.94

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Solution

The fourth proportional to 20,132.37, 30,207.09 and 10,769.94 is: 16,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.37 : 30,207.09 = 10,769.94 : x
  2. Step 2: Convert to fraction form
    20,132.37/30,207.09 = 10,769.94/x
  3. Step 3: Cross multiply
    20,132.37x = 30,207.09 × 10,769.94
  4. Step 4: Simplify right side
    20,132.37x = 325,328,546.87
  5. Step 5: Solve for x
    x = 325,328,546.87/20,132.37
  6. Step 6: Final answer
    x = 16,159.48

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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.