Home / 11,937.15-17,908.80-11,186.73

Finding the Fourth Proportional to 11,937.15, 17,908.80 and 11,186.73

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Solution

The fourth proportional to 11,937.15, 17,908.80 and 11,186.73 is: 16,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.15 : 17,908.80 = 11,186.73 : x
  2. Step 2: Convert to fraction form
    11,937.15/17,908.80 = 11,186.73/x
  3. Step 3: Cross multiply
    11,937.15x = 17,908.80 × 11,186.73
  4. Step 4: Simplify right side
    11,937.15x = 200,340,918.64
  5. Step 5: Solve for x
    x = 200,340,918.64/11,937.15
  6. Step 6: Final answer
    x = 16,782.98

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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.