Home / 12,379.53-17,083.50-7,001.87

Finding the Fourth Proportional to 12,379.53, 17,083.50 and 7,001.87

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Solution

The fourth proportional to 12,379.53, 17,083.50 and 7,001.87 is: 9,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379.53 : 17,083.50 = 7,001.87 : x
  2. Step 2: Convert to fraction form
    12,379.53/17,083.50 = 7,001.87/x
  3. Step 3: Cross multiply
    12,379.53x = 17,083.50 × 7,001.87
  4. Step 4: Simplify right side
    12,379.53x = 119,616,360.73
  5. Step 5: Solve for x
    x = 119,616,360.73/12,379.53
  6. Step 6: Final answer
    x = 9,662.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.