Home / 11,821.12-17,732.94-4,030

Finding the Fourth Proportional to 11,821.12, 17,732.94 and 4,030

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Solution

The fourth proportional to 11,821.12, 17,732.94 and 4,030 is: 6,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.12 : 17,732.94 = 4,030 : x
  2. Step 2: Convert to fraction form
    11,821.12/17,732.94 = 4,030/x
  3. Step 3: Cross multiply
    11,821.12x = 17,732.94 × 4,030
  4. Step 4: Simplify right side
    11,821.12x = 71,463,748.20
  5. Step 5: Solve for x
    x = 71,463,748.20/11,821.12
  6. Step 6: Final answer
    x = 6,045.43

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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.