Home / 14,144.76-21,217.68-3,756.60

Finding the Fourth Proportional to 14,144.76, 21,217.68 and 3,756.60

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Solution

The fourth proportional to 14,144.76, 21,217.68 and 3,756.60 is: 5,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.76 : 21,217.68 = 3,756.60 : x
  2. Step 2: Convert to fraction form
    14,144.76/21,217.68 = 3,756.60/x
  3. Step 3: Cross multiply
    14,144.76x = 21,217.68 × 3,756.60
  4. Step 4: Simplify right side
    14,144.76x = 79,706,336.69
  5. Step 5: Solve for x
    x = 79,706,336.69/14,144.76
  6. Step 6: Final answer
    x = 5,635.04

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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.