Home / 13,886.20-20,831.45-4,524.04

Finding the Fourth Proportional to 13,886.20, 20,831.45 and 4,524.04

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Solution

The fourth proportional to 13,886.20, 20,831.45 and 4,524.04 is: 6,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.20 : 20,831.45 = 4,524.04 : x
  2. Step 2: Convert to fraction form
    13,886.20/20,831.45 = 4,524.04/x
  3. Step 3: Cross multiply
    13,886.20x = 20,831.45 × 4,524.04
  4. Step 4: Simplify right side
    13,886.20x = 94,242,225.87
  5. Step 5: Solve for x
    x = 94,242,225.87/13,886.20
  6. Step 6: Final answer
    x = 6,786.76

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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.