Home / 11,021.34-16,532.96-3,123.94

Finding the Fourth Proportional to 11,021.34, 16,532.96 and 3,123.94

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Solution

The fourth proportional to 11,021.34, 16,532.96 and 3,123.94 is: 4,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.34 : 16,532.96 = 3,123.94 : x
  2. Step 2: Convert to fraction form
    11,021.34/16,532.96 = 3,123.94/x
  3. Step 3: Cross multiply
    11,021.34x = 16,532.96 × 3,123.94
  4. Step 4: Simplify right side
    11,021.34x = 51,647,975.06
  5. Step 5: Solve for x
    x = 51,647,975.06/11,021.34
  6. Step 6: Final answer
    x = 4,686.18

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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.