Home / 11,281.72-16,916.48-3,383.16

Finding the Fourth Proportional to 11,281.72, 16,916.48 and 3,383.16

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Solution

The fourth proportional to 11,281.72, 16,916.48 and 3,383.16 is: 5,072.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.72 : 16,916.48 = 3,383.16 : x
  2. Step 2: Convert to fraction form
    11,281.72/16,916.48 = 3,383.16/x
  3. Step 3: Cross multiply
    11,281.72x = 16,916.48 × 3,383.16
  4. Step 4: Simplify right side
    11,281.72x = 57,231,158.48
  5. Step 5: Solve for x
    x = 57,231,158.48/11,281.72
  6. Step 6: Final answer
    x = 5,072.91

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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.