Home / 14,144.68-21,220.99-4,149.66

Finding the Fourth Proportional to 14,144.68, 21,220.99 and 4,149.66

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Solution

The fourth proportional to 14,144.68, 21,220.99 and 4,149.66 is: 6,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.68 : 21,220.99 = 4,149.66 : x
  2. Step 2: Convert to fraction form
    14,144.68/21,220.99 = 4,149.66/x
  3. Step 3: Cross multiply
    14,144.68x = 21,220.99 × 4,149.66
  4. Step 4: Simplify right side
    14,144.68x = 88,059,893.36
  5. Step 5: Solve for x
    x = 88,059,893.36/14,144.68
  6. Step 6: Final answer
    x = 6,225.66

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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.