Home / 18,889.08-26,067.81-10,929.77

Finding the Fourth Proportional to 18,889.08, 26,067.81 and 10,929.77

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Solution

The fourth proportional to 18,889.08, 26,067.81 and 10,929.77 is: 15,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.08 : 26,067.81 = 10,929.77 : x
  2. Step 2: Convert to fraction form
    18,889.08/26,067.81 = 10,929.77/x
  3. Step 3: Cross multiply
    18,889.08x = 26,067.81 × 10,929.77
  4. Step 4: Simplify right side
    18,889.08x = 284,915,037.36
  5. Step 5: Solve for x
    x = 284,915,037.36/18,889.08
  6. Step 6: Final answer
    x = 15,083.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.