Home / 20,353.14-30,519.69-9,676.53

Finding the Fourth Proportional to 20,353.14, 30,519.69 and 9,676.53

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Solution

The fourth proportional to 20,353.14, 30,519.69 and 9,676.53 is: 14,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.14 : 30,519.69 = 9,676.53 : x
  2. Step 2: Convert to fraction form
    20,353.14/30,519.69 = 9,676.53/x
  3. Step 3: Cross multiply
    20,353.14x = 30,519.69 × 9,676.53
  4. Step 4: Simplify right side
    20,353.14x = 295,324,659.59
  5. Step 5: Solve for x
    x = 295,324,659.59/20,353.14
  6. Step 6: Final answer
    x = 14,510.03

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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.