Home / 14,979.59-20,674.53-8,691.96

Finding the Fourth Proportional to 14,979.59, 20,674.53 and 8,691.96

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Solution

The fourth proportional to 14,979.59, 20,674.53 and 8,691.96 is: 11,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.59 : 20,674.53 = 8,691.96 : x
  2. Step 2: Convert to fraction form
    14,979.59/20,674.53 = 8,691.96/x
  3. Step 3: Cross multiply
    14,979.59x = 20,674.53 × 8,691.96
  4. Step 4: Simplify right side
    14,979.59x = 179,702,187.78
  5. Step 5: Solve for x
    x = 179,702,187.78/14,979.59
  6. Step 6: Final answer
    x = 11,996.47

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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.