Home / 15,310.89-22,918.62-11,791.77

Finding the Fourth Proportional to 15,310.89, 22,918.62 and 11,791.77

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Solution

The fourth proportional to 15,310.89, 22,918.62 and 11,791.77 is: 17,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.89 : 22,918.62 = 11,791.77 : x
  2. Step 2: Convert to fraction form
    15,310.89/22,918.62 = 11,791.77/x
  3. Step 3: Cross multiply
    15,310.89x = 22,918.62 × 11,791.77
  4. Step 4: Simplify right side
    15,310.89x = 270,251,095.76
  5. Step 5: Solve for x
    x = 270,251,095.76/15,310.89
  6. Step 6: Final answer
    x = 17,650.91

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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.