Home / 19,759.44-29,639.18-8,072.66

Finding the Fourth Proportional to 19,759.44, 29,639.18 and 8,072.66

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Solution

The fourth proportional to 19,759.44, 29,639.18 and 8,072.66 is: 12,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.44 : 29,639.18 = 8,072.66 : x
  2. Step 2: Convert to fraction form
    19,759.44/29,639.18 = 8,072.66/x
  3. Step 3: Cross multiply
    19,759.44x = 29,639.18 × 8,072.66
  4. Step 4: Simplify right side
    19,759.44x = 239,266,834.26
  5. Step 5: Solve for x
    x = 239,266,834.26/19,759.44
  6. Step 6: Final answer
    x = 12,108.99

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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.