Home / 14,256.18-21,383.91-3,867.66

Finding the Fourth Proportional to 14,256.18, 21,383.91 and 3,867.66

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Solution

The fourth proportional to 14,256.18, 21,383.91 and 3,867.66 is: 5,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.18 : 21,383.91 = 3,867.66 : x
  2. Step 2: Convert to fraction form
    14,256.18/21,383.91 = 3,867.66/x
  3. Step 3: Cross multiply
    14,256.18x = 21,383.91 × 3,867.66
  4. Step 4: Simplify right side
    14,256.18x = 82,705,693.35
  5. Step 5: Solve for x
    x = 82,705,693.35/14,256.18
  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.