Home / 14,143.85-21,183.46-6,753.49

Finding the Fourth Proportional to 14,143.85, 21,183.46 and 6,753.49

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Solution

The fourth proportional to 14,143.85, 21,183.46 and 6,753.49 is: 10,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.85 : 21,183.46 = 6,753.49 : x
  2. Step 2: Convert to fraction form
    14,143.85/21,183.46 = 6,753.49/x
  3. Step 3: Cross multiply
    14,143.85x = 21,183.46 × 6,753.49
  4. Step 4: Simplify right side
    14,143.85x = 143,062,240.76
  5. Step 5: Solve for x
    x = 143,062,240.76/14,143.85
  6. Step 6: Final answer
    x = 10,114.80

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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.