Home / 17,584.80-26,381.06-5,105

Finding the Fourth Proportional to 17,584.80, 26,381.06 and 5,105

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Solution

The fourth proportional to 17,584.80, 26,381.06 and 5,105 is: 7,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,584.80 : 26,381.06 = 5,105 : x
  2. Step 2: Convert to fraction form
    17,584.80/26,381.06 = 5,105/x
  3. Step 3: Cross multiply
    17,584.80x = 26,381.06 × 5,105
  4. Step 4: Simplify right side
    17,584.80x = 134,675,311.30
  5. Step 5: Solve for x
    x = 134,675,311.30/17,584.80
  6. Step 6: Final answer
    x = 7,658.62

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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.