Home / 14,831.75-20,467.81-8,117.37

Finding the Fourth Proportional to 14,831.75, 20,467.81 and 8,117.37

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Solution

The fourth proportional to 14,831.75, 20,467.81 and 8,117.37 is: 11,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.75 : 20,467.81 = 8,117.37 : x
  2. Step 2: Convert to fraction form
    14,831.75/20,467.81 = 8,117.37/x
  3. Step 3: Cross multiply
    14,831.75x = 20,467.81 × 8,117.37
  4. Step 4: Simplify right side
    14,831.75x = 166,144,786.86
  5. Step 5: Solve for x
    x = 166,144,786.86/14,831.75
  6. Step 6: Final answer
    x = 11,201.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.