Home / 11,503.92-17,247.78-4,478.52

Finding the Fourth Proportional to 11,503.92, 17,247.78 and 4,478.52

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Solution

The fourth proportional to 11,503.92, 17,247.78 and 4,478.52 is: 6,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,503.92 : 17,247.78 = 4,478.52 : x
  2. Step 2: Convert to fraction form
    11,503.92/17,247.78 = 4,478.52/x
  3. Step 3: Cross multiply
    11,503.92x = 17,247.78 × 4,478.52
  4. Step 4: Simplify right side
    11,503.92x = 77,244,527.69
  5. Step 5: Solve for x
    x = 77,244,527.69/11,503.92
  6. Step 6: Final answer
    x = 6,714.63

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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.