Home / 12,457.41-18,704.97-10,721.44

Finding the Fourth Proportional to 12,457.41, 18,704.97 and 10,721.44

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Solution

The fourth proportional to 12,457.41, 18,704.97 and 10,721.44 is: 16,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.41 : 18,704.97 = 10,721.44 : x
  2. Step 2: Convert to fraction form
    12,457.41/18,704.97 = 10,721.44/x
  3. Step 3: Cross multiply
    12,457.41x = 18,704.97 × 10,721.44
  4. Step 4: Simplify right side
    12,457.41x = 200,544,213.56
  5. Step 5: Solve for x
    x = 200,544,213.56/12,457.41
  6. Step 6: Final answer
    x = 16,098.39

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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.