Home / 10,818.82-16,218.43-4,243.24

Finding the Fourth Proportional to 10,818.82, 16,218.43 and 4,243.24

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Solution

The fourth proportional to 10,818.82, 16,218.43 and 4,243.24 is: 6,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.82 : 16,218.43 = 4,243.24 : x
  2. Step 2: Convert to fraction form
    10,818.82/16,218.43 = 4,243.24/x
  3. Step 3: Cross multiply
    10,818.82x = 16,218.43 × 4,243.24
  4. Step 4: Simplify right side
    10,818.82x = 68,818,609.35
  5. Step 5: Solve for x
    x = 68,818,609.35/10,818.82
  6. Step 6: Final answer
    x = 6,361.01

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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.