Home / 14,520.24-21,788.76-6,728.64

Finding the Fourth Proportional to 14,520.24, 21,788.76 and 6,728.64

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Solution

The fourth proportional to 14,520.24, 21,788.76 and 6,728.64 is: 10,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.24 : 21,788.76 = 6,728.64 : x
  2. Step 2: Convert to fraction form
    14,520.24/21,788.76 = 6,728.64/x
  3. Step 3: Cross multiply
    14,520.24x = 21,788.76 × 6,728.64
  4. Step 4: Simplify right side
    14,520.24x = 146,608,722.09
  5. Step 5: Solve for x
    x = 146,608,722.09/14,520.24
  6. Step 6: Final answer
    x = 10,096.85

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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.