Home / 20,057.82-30,106.17-9,676.86

Finding the Fourth Proportional to 20,057.82, 30,106.17 and 9,676.86

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Solution

The fourth proportional to 20,057.82, 30,106.17 and 9,676.86 is: 14,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.82 : 30,106.17 = 9,676.86 : x
  2. Step 2: Convert to fraction form
    20,057.82/30,106.17 = 9,676.86/x
  3. Step 3: Cross multiply
    20,057.82x = 30,106.17 × 9,676.86
  4. Step 4: Simplify right side
    20,057.82x = 291,333,192.23
  5. Step 5: Solve for x
    x = 291,333,192.23/20,057.82
  6. Step 6: Final answer
    x = 14,524.67

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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.