Home / 14,072.90-21,104.19-4,208.85

Finding the Fourth Proportional to 14,072.90, 21,104.19 and 4,208.85

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Solution

The fourth proportional to 14,072.90, 21,104.19 and 4,208.85 is: 6,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.90 : 21,104.19 = 4,208.85 : x
  2. Step 2: Convert to fraction form
    14,072.90/21,104.19 = 4,208.85/x
  3. Step 3: Cross multiply
    14,072.90x = 21,104.19 × 4,208.85
  4. Step 4: Simplify right side
    14,072.90x = 88,824,370.08
  5. Step 5: Solve for x
    x = 88,824,370.08/14,072.90
  6. Step 6: Final answer
    x = 6,311.73

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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.