Home / 11,917.26-17,875.88-4,126.07

Finding the Fourth Proportional to 11,917.26, 17,875.88 and 4,126.07

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Solution

The fourth proportional to 11,917.26, 17,875.88 and 4,126.07 is: 6,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.26 : 17,875.88 = 4,126.07 : x
  2. Step 2: Convert to fraction form
    11,917.26/17,875.88 = 4,126.07/x
  3. Step 3: Cross multiply
    11,917.26x = 17,875.88 × 4,126.07
  4. Step 4: Simplify right side
    11,917.26x = 73,757,132.19
  5. Step 5: Solve for x
    x = 73,757,132.19/11,917.26
  6. Step 6: Final answer
    x = 6,189.10

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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.