Home / 13,923.08-20,867.34-6,517.88

Finding the Fourth Proportional to 13,923.08, 20,867.34 and 6,517.88

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Solution

The fourth proportional to 13,923.08, 20,867.34 and 6,517.88 is: 9,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.08 : 20,867.34 = 6,517.88 : x
  2. Step 2: Convert to fraction form
    13,923.08/20,867.34 = 6,517.88/x
  3. Step 3: Cross multiply
    13,923.08x = 20,867.34 × 6,517.88
  4. Step 4: Simplify right side
    13,923.08x = 136,010,818.04
  5. Step 5: Solve for x
    x = 136,010,818.04/13,923.08
  6. Step 6: Final answer
    x = 9,768.73

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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.