Home / 14,245.92-21,376.17-6,453.72

Finding the Fourth Proportional to 14,245.92, 21,376.17 and 6,453.72

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Solution

The fourth proportional to 14,245.92, 21,376.17 and 6,453.72 is: 9,683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.92 : 21,376.17 = 6,453.72 : x
  2. Step 2: Convert to fraction form
    14,245.92/21,376.17 = 6,453.72/x
  3. Step 3: Cross multiply
    14,245.92x = 21,376.17 × 6,453.72
  4. Step 4: Simplify right side
    14,245.92x = 137,955,815.85
  5. Step 5: Solve for x
    x = 137,955,815.85/14,245.92
  6. Step 6: Final answer
    x = 9,683.88

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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.