Home / 13,818.26-20,710.04-5,911.49

Finding the Fourth Proportional to 13,818.26, 20,710.04 and 5,911.49

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Solution

The fourth proportional to 13,818.26, 20,710.04 and 5,911.49 is: 8,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.26 : 20,710.04 = 5,911.49 : x
  2. Step 2: Convert to fraction form
    13,818.26/20,710.04 = 5,911.49/x
  3. Step 3: Cross multiply
    13,818.26x = 20,710.04 × 5,911.49
  4. Step 4: Simplify right side
    13,818.26x = 122,427,194.36
  5. Step 5: Solve for x
    x = 122,427,194.36/13,818.26
  6. Step 6: Final answer
    x = 8,859.81

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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.