Home / 20,222.83-30,339.75-11,463.91

Finding the Fourth Proportional to 20,222.83, 30,339.75 and 11,463.91

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Solution

The fourth proportional to 20,222.83, 30,339.75 and 11,463.91 is: 17,198.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222.83 : 30,339.75 = 11,463.91 : x
  2. Step 2: Convert to fraction form
    20,222.83/30,339.75 = 11,463.91/x
  3. Step 3: Cross multiply
    20,222.83x = 30,339.75 × 11,463.91
  4. Step 4: Simplify right side
    20,222.83x = 347,812,163.42
  5. Step 5: Solve for x
    x = 347,812,163.42/20,222.83
  6. Step 6: Final answer
    x = 17,198.99

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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.