Home / 13,284.37-19,929.63-4,519.28

Finding the Fourth Proportional to 13,284.37, 19,929.63 and 4,519.28

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Solution

The fourth proportional to 13,284.37, 19,929.63 and 4,519.28 is: 6,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.37 : 19,929.63 = 4,519.28 : x
  2. Step 2: Convert to fraction form
    13,284.37/19,929.63 = 4,519.28/x
  3. Step 3: Cross multiply
    13,284.37x = 19,929.63 × 4,519.28
  4. Step 4: Simplify right side
    13,284.37x = 90,067,578.27
  5. Step 5: Solve for x
    x = 90,067,578.27/13,284.37
  6. Step 6: Final answer
    x = 6,779.97

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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.