Home / 22,855.21-34,270.50-12,330.88

Finding the Fourth Proportional to 22,855.21, 34,270.50 and 12,330.88

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Solution

The fourth proportional to 22,855.21, 34,270.50 and 12,330.88 is: 18,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.21 : 34,270.50 = 12,330.88 : x
  2. Step 2: Convert to fraction form
    22,855.21/34,270.50 = 12,330.88/x
  3. Step 3: Cross multiply
    22,855.21x = 34,270.50 × 12,330.88
  4. Step 4: Simplify right side
    22,855.21x = 422,585,423.04
  5. Step 5: Solve for x
    x = 422,585,423.04/22,855.21
  6. Step 6: Final answer
    x = 18,489.68

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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.