Home / 13,841.63-20,749.66-5,519.63

Finding the Fourth Proportional to 13,841.63, 20,749.66 and 5,519.63

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Solution

The fourth proportional to 13,841.63, 20,749.66 and 5,519.63 is: 8,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.63 : 20,749.66 = 5,519.63 : x
  2. Step 2: Convert to fraction form
    13,841.63/20,749.66 = 5,519.63/x
  3. Step 3: Cross multiply
    13,841.63x = 20,749.66 × 5,519.63
  4. Step 4: Simplify right side
    13,841.63x = 114,530,328.28
  5. Step 5: Solve for x
    x = 114,530,328.28/13,841.63
  6. Step 6: Final answer
    x = 8,274.34

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1.5x scale

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.