Home / 10,917.26-16,379.35-3,897.12

Finding the Fourth Proportional to 10,917.26, 16,379.35 and 3,897.12

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Solution

The fourth proportional to 10,917.26, 16,379.35 and 3,897.12 is: 5,846.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.26 : 16,379.35 = 3,897.12 : x
  2. Step 2: Convert to fraction form
    10,917.26/16,379.35 = 3,897.12/x
  3. Step 3: Cross multiply
    10,917.26x = 16,379.35 × 3,897.12
  4. Step 4: Simplify right side
    10,917.26x = 63,832,262.98
  5. Step 5: Solve for x
    x = 63,832,262.98/10,917.26
  6. Step 6: Final answer
    x = 5,846.91

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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.