Home / 14,256.27-21,385.49-3,867.75

Finding the Fourth Proportional to 14,256.27, 21,385.49 and 3,867.75

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Solution

The fourth proportional to 14,256.27, 21,385.49 and 3,867.75 is: 5,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.27 : 21,385.49 = 3,867.75 : x
  2. Step 2: Convert to fraction form
    14,256.27/21,385.49 = 3,867.75/x
  3. Step 3: Cross multiply
    14,256.27x = 21,385.49 × 3,867.75
  4. Step 4: Simplify right side
    14,256.27x = 82,713,709.61
  5. Step 5: Solve for x
    x = 82,713,709.61/14,256.27
  6. Step 6: Final answer
    x = 5,801.92

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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.