Home / 11,839.52-17,762.76-9,995.12

Finding the Fourth Proportional to 11,839.52, 17,762.76 and 9,995.12

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Solution

The fourth proportional to 11,839.52, 17,762.76 and 9,995.12 is: 14,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.52 : 17,762.76 = 9,995.12 : x
  2. Step 2: Convert to fraction form
    11,839.52/17,762.76 = 9,995.12/x
  3. Step 3: Cross multiply
    11,839.52x = 17,762.76 × 9,995.12
  4. Step 4: Simplify right side
    11,839.52x = 177,540,917.73
  5. Step 5: Solve for x
    x = 177,540,917.73/11,839.52
  6. Step 6: Final answer
    x = 14,995.62

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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.