Home / 14,183.16-21,276.90-6,781.56

Finding the Fourth Proportional to 14,183.16, 21,276.90 and 6,781.56

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Solution

The fourth proportional to 14,183.16, 21,276.90 and 6,781.56 is: 10,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.16 : 21,276.90 = 6,781.56 : x
  2. Step 2: Convert to fraction form
    14,183.16/21,276.90 = 6,781.56/x
  3. Step 3: Cross multiply
    14,183.16x = 21,276.90 × 6,781.56
  4. Step 4: Simplify right side
    14,183.16x = 144,290,573.96
  5. Step 5: Solve for x
    x = 144,290,573.96/14,183.16
  6. Step 6: Final answer
    x = 10,173.37

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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.