Home / 10,872.29-16,308.51-2,974.64

Finding the Fourth Proportional to 10,872.29, 16,308.51 and 2,974.64

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Solution

The fourth proportional to 10,872.29, 16,308.51 and 2,974.64 is: 4,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.29 : 16,308.51 = 2,974.64 : x
  2. Step 2: Convert to fraction form
    10,872.29/16,308.51 = 2,974.64/x
  3. Step 3: Cross multiply
    10,872.29x = 16,308.51 × 2,974.64
  4. Step 4: Simplify right side
    10,872.29x = 48,511,864.64
  5. Step 5: Solve for x
    x = 48,511,864.64/10,872.29
  6. Step 6: Final answer
    x = 4,461.97

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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.