Home / 14,255.84-21,383.78-3,867.59

Finding the Fourth Proportional to 14,255.84, 21,383.78 and 3,867.59

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Solution

The fourth proportional to 14,255.84, 21,383.78 and 3,867.59 is: 5,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.84 : 21,383.78 = 3,867.59 : x
  2. Step 2: Convert to fraction form
    14,255.84/21,383.78 = 3,867.59/x
  3. Step 3: Cross multiply
    14,255.84x = 21,383.78 × 3,867.59
  4. Step 4: Simplify right side
    14,255.84x = 82,703,727.81
  5. Step 5: Solve for x
    x = 82,703,727.81/14,255.84
  6. Step 6: Final answer
    x = 5,801.39

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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.