Home / 13,886.43-20,831.37-4,527.39

Finding the Fourth Proportional to 13,886.43, 20,831.37 and 4,527.39

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Solution

The fourth proportional to 13,886.43, 20,831.37 and 4,527.39 is: 6,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.43 : 20,831.37 = 4,527.39 : x
  2. Step 2: Convert to fraction form
    13,886.43/20,831.37 = 4,527.39/x
  3. Step 3: Cross multiply
    13,886.43x = 20,831.37 × 4,527.39
  4. Step 4: Simplify right side
    13,886.43x = 94,311,736.22
  5. Step 5: Solve for x
    x = 94,311,736.22/13,886.43
  6. Step 6: Final answer
    x = 6,791.65

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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.