Home / 13,706.70-20,561.33-3,845.93

Finding the Fourth Proportional to 13,706.70, 20,561.33 and 3,845.93

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Solution

The fourth proportional to 13,706.70, 20,561.33 and 3,845.93 is: 5,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.70 : 20,561.33 = 3,845.93 : x
  2. Step 2: Convert to fraction form
    13,706.70/20,561.33 = 3,845.93/x
  3. Step 3: Cross multiply
    13,706.70x = 20,561.33 × 3,845.93
  4. Step 4: Simplify right side
    13,706.70x = 79,077,435.89
  5. Step 5: Solve for x
    x = 79,077,435.89/13,706.70
  6. Step 6: Final answer
    x = 5,769.25

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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.