Home / 14,831.75-20,467.21-8,866.72

Finding the Fourth Proportional to 14,831.75, 20,467.21 and 8,866.72

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Solution

The fourth proportional to 14,831.75, 20,467.21 and 8,866.72 is: 12,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.75 : 20,467.21 = 8,866.72 : x
  2. Step 2: Convert to fraction form
    14,831.75/20,467.21 = 8,866.72/x
  3. Step 3: Cross multiply
    14,831.75x = 20,467.21 × 8,866.72
  4. Step 4: Simplify right side
    14,831.75x = 181,477,020.25
  5. Step 5: Solve for x
    x = 181,477,020.25/14,831.75
  6. Step 6: Final answer
    x = 12,235.71

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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.