Home / 14,149.15-21,222.49-4,788.96

Finding the Fourth Proportional to 14,149.15, 21,222.49 and 4,788.96

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Solution

The fourth proportional to 14,149.15, 21,222.49 and 4,788.96 is: 7,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.15 : 21,222.49 = 4,788.96 : x
  2. Step 2: Convert to fraction form
    14,149.15/21,222.49 = 4,788.96/x
  3. Step 3: Cross multiply
    14,149.15x = 21,222.49 × 4,788.96
  4. Step 4: Simplify right side
    14,149.15x = 101,633,549.60
  5. Step 5: Solve for x
    x = 101,633,549.60/14,149.15
  6. Step 6: Final answer
    x = 7,183.02

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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.