Home / 19,104.96-28,648.32-11,311.68

Finding the Fourth Proportional to 19,104.96, 28,648.32 and 11,311.68

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Solution

The fourth proportional to 19,104.96, 28,648.32 and 11,311.68 is: 16,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.96 : 28,648.32 = 11,311.68 : x
  2. Step 2: Convert to fraction form
    19,104.96/28,648.32 = 11,311.68/x
  3. Step 3: Cross multiply
    19,104.96x = 28,648.32 × 11,311.68
  4. Step 4: Simplify right side
    19,104.96x = 324,060,628.38
  5. Step 5: Solve for x
    x = 324,060,628.38/19,104.96
  6. Step 6: Final answer
    x = 16,962.12

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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.