Home / 12,723.66-19,072.17-4,283.85

Finding the Fourth Proportional to 12,723.66, 19,072.17 and 4,283.85

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Solution

The fourth proportional to 12,723.66, 19,072.17 and 4,283.85 is: 6,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.66 : 19,072.17 = 4,283.85 : x
  2. Step 2: Convert to fraction form
    12,723.66/19,072.17 = 4,283.85/x
  3. Step 3: Cross multiply
    12,723.66x = 19,072.17 × 4,283.85
  4. Step 4: Simplify right side
    12,723.66x = 81,702,315.45
  5. Step 5: Solve for x
    x = 81,702,315.45/12,723.66
  6. Step 6: Final answer
    x = 6,421.29

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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.