Home / 11,748.96-16,213.68-6,443.88

Finding the Fourth Proportional to 11,748.96, 16,213.68 and 6,443.88

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Solution

The fourth proportional to 11,748.96, 16,213.68 and 6,443.88 is: 8,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.96 : 16,213.68 = 6,443.88 : x
  2. Step 2: Convert to fraction form
    11,748.96/16,213.68 = 6,443.88/x
  3. Step 3: Cross multiply
    11,748.96x = 16,213.68 × 6,443.88
  4. Step 4: Simplify right side
    11,748.96x = 104,479,008.28
  5. Step 5: Solve for x
    x = 104,479,008.28/11,748.96
  6. Step 6: Final answer
    x = 8,892.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.