Home / 11,219.16-16,828.81-3,427.97

Finding the Fourth Proportional to 11,219.16, 16,828.81 and 3,427.97

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Solution

The fourth proportional to 11,219.16, 16,828.81 and 3,427.97 is: 5,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.16 : 16,828.81 = 3,427.97 : x
  2. Step 2: Convert to fraction form
    11,219.16/16,828.81 = 3,427.97/x
  3. Step 3: Cross multiply
    11,219.16x = 16,828.81 × 3,427.97
  4. Step 4: Simplify right side
    11,219.16x = 57,688,638.68
  5. Step 5: Solve for x
    x = 57,688,638.68/11,219.16
  6. Step 6: Final answer
    x = 5,141.97

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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.