Home / 10,376.07-15,564.09-3,450.57

Finding the Fourth Proportional to 10,376.07, 15,564.09 and 3,450.57

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Solution

The fourth proportional to 10,376.07, 15,564.09 and 3,450.57 is: 5,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.07 : 15,564.09 = 3,450.57 : x
  2. Step 2: Convert to fraction form
    10,376.07/15,564.09 = 3,450.57/x
  3. Step 3: Cross multiply
    10,376.07x = 15,564.09 × 3,450.57
  4. Step 4: Simplify right side
    10,376.07x = 53,704,982.03
  5. Step 5: Solve for x
    x = 53,704,982.03/10,376.07
  6. Step 6: Final answer
    x = 5,175.85

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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.