Home / 14,618.64-21,936.88-6,828

Finding the Fourth Proportional to 14,618.64, 21,936.88 and 6,828

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Solution

The fourth proportional to 14,618.64, 21,936.88 and 6,828 is: 10,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.64 : 21,936.88 = 6,828 : x
  2. Step 2: Convert to fraction form
    14,618.64/21,936.88 = 6,828/x
  3. Step 3: Cross multiply
    14,618.64x = 21,936.88 × 6,828
  4. Step 4: Simplify right side
    14,618.64x = 149,785,016.64
  5. Step 5: Solve for x
    x = 149,785,016.64/14,618.64
  6. Step 6: Final answer
    x = 10,246.17

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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.