Home / 11,831.68-17,717.16-11,481.31

Finding the Fourth Proportional to 11,831.68, 17,717.16 and 11,481.31

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Solution

The fourth proportional to 11,831.68, 17,717.16 and 11,481.31 is: 17,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.68 : 17,717.16 = 11,481.31 : x
  2. Step 2: Convert to fraction form
    11,831.68/17,717.16 = 11,481.31/x
  3. Step 3: Cross multiply
    11,831.68x = 17,717.16 × 11,481.31
  4. Step 4: Simplify right side
    11,831.68x = 203,416,117.69
  5. Step 5: Solve for x
    x = 203,416,117.69/11,831.68
  6. Step 6: Final answer
    x = 17,192.50

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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.