Home / 17,890.58-26,786.43-13,494.71

Finding the Fourth Proportional to 17,890.58, 26,786.43 and 13,494.71

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Solution

The fourth proportional to 17,890.58, 26,786.43 and 13,494.71 is: 20,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.58 : 26,786.43 = 13,494.71 : x
  2. Step 2: Convert to fraction form
    17,890.58/26,786.43 = 13,494.71/x
  3. Step 3: Cross multiply
    17,890.58x = 26,786.43 × 13,494.71
  4. Step 4: Simplify right side
    17,890.58x = 361,474,970.85
  5. Step 5: Solve for x
    x = 361,474,970.85/17,890.58
  6. Step 6: Final answer
    x = 20,204.77

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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.