Home / 19,145.26-28,737.33-12,107.98

Finding the Fourth Proportional to 19,145.26, 28,737.33 and 12,107.98

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Solution

The fourth proportional to 19,145.26, 28,737.33 and 12,107.98 is: 18,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.26 : 28,737.33 = 12,107.98 : x
  2. Step 2: Convert to fraction form
    19,145.26/28,737.33 = 12,107.98/x
  3. Step 3: Cross multiply
    19,145.26x = 28,737.33 × 12,107.98
  4. Step 4: Simplify right side
    19,145.26x = 347,950,812.67
  5. Step 5: Solve for x
    x = 347,950,812.67/19,145.26
  6. Step 6: Final answer
    x = 18,174.26

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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.