Home / 8,384.43-12,576.51-2,144.39

Finding the Fourth Proportional to 8,384.43, 12,576.51 and 2,144.39

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Solution

The fourth proportional to 8,384.43, 12,576.51 and 2,144.39 is: 3,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.43 : 12,576.51 = 2,144.39 : x
  2. Step 2: Convert to fraction form
    8,384.43/12,576.51 = 2,144.39/x
  3. Step 3: Cross multiply
    8,384.43x = 12,576.51 × 2,144.39
  4. Step 4: Simplify right side
    8,384.43x = 26,968,885.43
  5. Step 5: Solve for x
    x = 26,968,885.43/8,384.43
  6. Step 6: Final answer
    x = 3,216.54

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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.