Home / 13,886.28-20,831.04-4,525.92

Finding the Fourth Proportional to 13,886.28, 20,831.04 and 4,525.92

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Solution

The fourth proportional to 13,886.28, 20,831.04 and 4,525.92 is: 6,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.28 : 20,831.04 = 4,525.92 : x
  2. Step 2: Convert to fraction form
    13,886.28/20,831.04 = 4,525.92/x
  3. Step 3: Cross multiply
    13,886.28x = 20,831.04 × 4,525.92
  4. Step 4: Simplify right side
    13,886.28x = 94,279,620.56
  5. Step 5: Solve for x
    x = 94,279,620.56/13,886.28
  6. Step 6: Final answer
    x = 6,789.41

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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.