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Finding the Fourth Proportional to 16,830.72, 25,225.70 and 7,450.52

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Solution

The fourth proportional to 16,830.72, 25,225.70 and 7,450.52 is: 11,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.72 : 25,225.70 = 7,450.52 : x
  2. Step 2: Convert to fraction form
    16,830.72/25,225.70 = 7,450.52/x
  3. Step 3: Cross multiply
    16,830.72x = 25,225.70 × 7,450.52
  4. Step 4: Simplify right side
    16,830.72x = 187,944,418.98
  5. Step 5: Solve for x
    x = 187,944,418.98/16,830.72
  6. Step 6: Final answer
    x = 11,166.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.