Home / 16,991.65-25,458.69-10,404.07

Finding the Fourth Proportional to 16,991.65, 25,458.69 and 10,404.07

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Solution

The fourth proportional to 16,991.65, 25,458.69 and 10,404.07 is: 15,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.65 : 25,458.69 = 10,404.07 : x
  2. Step 2: Convert to fraction form
    16,991.65/25,458.69 = 10,404.07/x
  3. Step 3: Cross multiply
    16,991.65x = 25,458.69 × 10,404.07
  4. Step 4: Simplify right side
    16,991.65x = 264,873,992.87
  5. Step 5: Solve for x
    x = 264,873,992.87/16,991.65
  6. Step 6: Final answer
    x = 15,588.48

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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.