Home / 11,941.09-17,911.50-7,262.39

Finding the Fourth Proportional to 11,941.09, 17,911.50 and 7,262.39

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Solution

The fourth proportional to 11,941.09, 17,911.50 and 7,262.39 is: 10,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.09 : 17,911.50 = 7,262.39 : x
  2. Step 2: Convert to fraction form
    11,941.09/17,911.50 = 7,262.39/x
  3. Step 3: Cross multiply
    11,941.09x = 17,911.50 × 7,262.39
  4. Step 4: Simplify right side
    11,941.09x = 130,080,316.03
  5. Step 5: Solve for x
    x = 130,080,316.03/11,941.09
  6. Step 6: Final answer
    x = 10,893.51

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1.5x scale

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.