Home / 14,272.23-21,408.39-3,883.98

Finding the Fourth Proportional to 14,272.23, 21,408.39 and 3,883.98

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Solution

The fourth proportional to 14,272.23, 21,408.39 and 3,883.98 is: 5,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.23 : 21,408.39 = 3,883.98 : x
  2. Step 2: Convert to fraction form
    14,272.23/21,408.39 = 3,883.98/x
  3. Step 3: Cross multiply
    14,272.23x = 21,408.39 × 3,883.98
  4. Step 4: Simplify right side
    14,272.23x = 83,149,758.59
  5. Step 5: Solve for x
    x = 83,149,758.59/14,272.23
  6. Step 6: Final answer
    x = 5,825.98

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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.