Home / 13,072.85-19,611.11-4,751.92

Finding the Fourth Proportional to 13,072.85, 19,611.11 and 4,751.92

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Solution

The fourth proportional to 13,072.85, 19,611.11 and 4,751.92 is: 7,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.85 : 19,611.11 = 4,751.92 : x
  2. Step 2: Convert to fraction form
    13,072.85/19,611.11 = 4,751.92/x
  3. Step 3: Cross multiply
    13,072.85x = 19,611.11 × 4,751.92
  4. Step 4: Simplify right side
    13,072.85x = 93,190,425.83
  5. Step 5: Solve for x
    x = 93,190,425.83/13,072.85
  6. Step 6: Final answer
    x = 7,128.55

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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.