Home / 17,390.85-26,086.68-4,243.47

Finding the Fourth Proportional to 17,390.85, 26,086.68 and 4,243.47

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Solution

The fourth proportional to 17,390.85, 26,086.68 and 4,243.47 is: 6,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.85 : 26,086.68 = 4,243.47 : x
  2. Step 2: Convert to fraction form
    17,390.85/26,086.68 = 4,243.47/x
  3. Step 3: Cross multiply
    17,390.85x = 26,086.68 × 4,243.47
  4. Step 4: Simplify right side
    17,390.85x = 110,698,043.98
  5. Step 5: Solve for x
    x = 110,698,043.98/17,390.85
  6. Step 6: Final answer
    x = 6,365.30

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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.