Home / 20,161.26-30,232.35-7,011.99

Finding the Fourth Proportional to 20,161.26, 30,232.35 and 7,011.99

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Solution

The fourth proportional to 20,161.26, 30,232.35 and 7,011.99 is: 10,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161.26 : 30,232.35 = 7,011.99 : x
  2. Step 2: Convert to fraction form
    20,161.26/30,232.35 = 7,011.99/x
  3. Step 3: Cross multiply
    20,161.26x = 30,232.35 × 7,011.99
  4. Step 4: Simplify right side
    20,161.26x = 211,988,935.88
  5. Step 5: Solve for x
    x = 211,988,935.88/20,161.26
  6. Step 6: Final answer
    x = 10,514.67

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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.