Home / 19,764.84-29,647.12-8,069.86

Finding the Fourth Proportional to 19,764.84, 29,647.12 and 8,069.86

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Solution

The fourth proportional to 19,764.84, 29,647.12 and 8,069.86 is: 12,104.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.84 : 29,647.12 = 8,069.86 : x
  2. Step 2: Convert to fraction form
    19,764.84/29,647.12 = 8,069.86/x
  3. Step 3: Cross multiply
    19,764.84x = 29,647.12 × 8,069.86
  4. Step 4: Simplify right side
    19,764.84x = 239,248,107.80
  5. Step 5: Solve for x
    x = 239,248,107.80/19,764.84
  6. Step 6: Final answer
    x = 12,104.73

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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.