Home / 13,723.77-20,581.03-5,401.60

Finding the Fourth Proportional to 13,723.77, 20,581.03 and 5,401.60

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Solution

The fourth proportional to 13,723.77, 20,581.03 and 5,401.60 is: 8,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.77 : 20,581.03 = 5,401.60 : x
  2. Step 2: Convert to fraction form
    13,723.77/20,581.03 = 5,401.60/x
  3. Step 3: Cross multiply
    13,723.77x = 20,581.03 × 5,401.60
  4. Step 4: Simplify right side
    13,723.77x = 111,170,491.65
  5. Step 5: Solve for x
    x = 111,170,491.65/13,723.77
  6. Step 6: Final answer
    x = 8,100.58

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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.