Home / 13,811.76-20,719.76-5,044.59

Finding the Fourth Proportional to 13,811.76, 20,719.76 and 5,044.59

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Solution

The fourth proportional to 13,811.76, 20,719.76 and 5,044.59 is: 7,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.76 : 20,719.76 = 5,044.59 : x
  2. Step 2: Convert to fraction form
    13,811.76/20,719.76 = 5,044.59/x
  3. Step 3: Cross multiply
    13,811.76x = 20,719.76 × 5,044.59
  4. Step 4: Simplify right side
    13,811.76x = 104,522,668.88
  5. Step 5: Solve for x
    x = 104,522,668.88/13,811.76
  6. Step 6: Final answer
    x = 7,567.66

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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.