Home / 11,324.37-16,981.08-4,748.79

Finding the Fourth Proportional to 11,324.37, 16,981.08 and 4,748.79

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Solution

The fourth proportional to 11,324.37, 16,981.08 and 4,748.79 is: 7,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.37 : 16,981.08 = 4,748.79 : x
  2. Step 2: Convert to fraction form
    11,324.37/16,981.08 = 4,748.79/x
  3. Step 3: Cross multiply
    11,324.37x = 16,981.08 × 4,748.79
  4. Step 4: Simplify right side
    11,324.37x = 80,639,582.89
  5. Step 5: Solve for x
    x = 80,639,582.89/11,324.37
  6. Step 6: Final answer
    x = 7,120.89

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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.