Home / 17,961.40-26,929.30-6,863.80

Finding the Fourth Proportional to 17,961.40, 26,929.30 and 6,863.80

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Solution

The fourth proportional to 17,961.40, 26,929.30 and 6,863.80 is: 10,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.40 : 26,929.30 = 6,863.80 : x
  2. Step 2: Convert to fraction form
    17,961.40/26,929.30 = 6,863.80/x
  3. Step 3: Cross multiply
    17,961.40x = 26,929.30 × 6,863.80
  4. Step 4: Simplify right side
    17,961.40x = 184,837,329.34
  5. Step 5: Solve for x
    x = 184,837,329.34/17,961.40
  6. Step 6: Final answer
    x = 10,290.81

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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.