Home / 13,456.26-20,181.29-5,133.24

Finding the Fourth Proportional to 13,456.26, 20,181.29 and 5,133.24

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Solution

The fourth proportional to 13,456.26, 20,181.29 and 5,133.24 is: 7,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456.26 : 20,181.29 = 5,133.24 : x
  2. Step 2: Convert to fraction form
    13,456.26/20,181.29 = 5,133.24/x
  3. Step 3: Cross multiply
    13,456.26x = 20,181.29 × 5,133.24
  4. Step 4: Simplify right side
    13,456.26x = 103,595,379.41
  5. Step 5: Solve for x
    x = 103,595,379.41/13,456.26
  6. Step 6: Final answer
    x = 7,698.68

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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.