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Finding the Fourth Proportional to 14,493.92, 21,732.72 and 4,630.88

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Solution

The fourth proportional to 14,493.92, 21,732.72 and 4,630.88 is: 6,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.92 : 21,732.72 = 4,630.88 : x
  2. Step 2: Convert to fraction form
    14,493.92/21,732.72 = 4,630.88/x
  3. Step 3: Cross multiply
    14,493.92x = 21,732.72 × 4,630.88
  4. Step 4: Simplify right side
    14,493.92x = 100,641,618.39
  5. Step 5: Solve for x
    x = 100,641,618.39/14,493.92
  6. Step 6: Final answer
    x = 6,943.71

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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.