Home / 13,751.69-20,628.72-4,393.04

Finding the Fourth Proportional to 13,751.69, 20,628.72 and 4,393.04

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Solution

The fourth proportional to 13,751.69, 20,628.72 and 4,393.04 is: 6,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.69 : 20,628.72 = 4,393.04 : x
  2. Step 2: Convert to fraction form
    13,751.69/20,628.72 = 4,393.04/x
  3. Step 3: Cross multiply
    13,751.69x = 20,628.72 × 4,393.04
  4. Step 4: Simplify right side
    13,751.69x = 90,622,688.97
  5. Step 5: Solve for x
    x = 90,622,688.97/13,751.69
  6. Step 6: Final answer
    x = 6,589.93

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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.