Home / 14,272.76-21,408.84-3,884.24

Finding the Fourth Proportional to 14,272.76, 21,408.84 and 3,884.24

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Solution

The fourth proportional to 14,272.76, 21,408.84 and 3,884.24 is: 5,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.76 : 21,408.84 = 3,884.24 : x
  2. Step 2: Convert to fraction form
    14,272.76/21,408.84 = 3,884.24/x
  3. Step 3: Cross multiply
    14,272.76x = 21,408.84 × 3,884.24
  4. Step 4: Simplify right side
    14,272.76x = 83,157,072.68
  5. Step 5: Solve for x
    x = 83,157,072.68/14,272.76
  6. Step 6: Final answer
    x = 5,826.28

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1.5x scale

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.