Home / 14,137.99-21,200.60-5,366.70

Finding the Fourth Proportional to 14,137.99, 21,200.60 and 5,366.70

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Solution

The fourth proportional to 14,137.99, 21,200.60 and 5,366.70 is: 8,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.99 : 21,200.60 = 5,366.70 : x
  2. Step 2: Convert to fraction form
    14,137.99/21,200.60 = 5,366.70/x
  3. Step 3: Cross multiply
    14,137.99x = 21,200.60 × 5,366.70
  4. Step 4: Simplify right side
    14,137.99x = 113,777,273.44
  5. Step 5: Solve for x
    x = 113,777,273.44/14,137.99
  6. Step 6: Final answer
    x = 8,047.63

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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.