Home / 17,790.84-26,691.12-5,311.44

Finding the Fourth Proportional to 17,790.84, 26,691.12 and 5,311.44

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Solution

The fourth proportional to 17,790.84, 26,691.12 and 5,311.44 is: 7,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.84 : 26,691.12 = 5,311.44 : x
  2. Step 2: Convert to fraction form
    17,790.84/26,691.12 = 5,311.44/x
  3. Step 3: Cross multiply
    17,790.84x = 26,691.12 × 5,311.44
  4. Step 4: Simplify right side
    17,790.84x = 141,768,282.41
  5. Step 5: Solve for x
    x = 141,768,282.41/17,790.84
  6. Step 6: Final answer
    x = 7,968.61

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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.