Home / 17,890.86-26,813.61-10,104.06

Finding the Fourth Proportional to 17,890.86, 26,813.61 and 10,104.06

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Solution

The fourth proportional to 17,890.86, 26,813.61 and 10,104.06 is: 15,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.86 : 26,813.61 = 10,104.06 : x
  2. Step 2: Convert to fraction form
    17,890.86/26,813.61 = 10,104.06/x
  3. Step 3: Cross multiply
    17,890.86x = 26,813.61 × 10,104.06
  4. Step 4: Simplify right side
    17,890.86x = 270,926,324.26
  5. Step 5: Solve for x
    x = 270,926,324.26/17,890.86
  6. Step 6: Final answer
    x = 15,143.28

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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.