Home / 11,279.79-16,923.33-4,707.86

Finding the Fourth Proportional to 11,279.79, 16,923.33 and 4,707.86

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Solution

The fourth proportional to 11,279.79, 16,923.33 and 4,707.86 is: 7,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.79 : 16,923.33 = 4,707.86 : x
  2. Step 2: Convert to fraction form
    11,279.79/16,923.33 = 4,707.86/x
  3. Step 3: Cross multiply
    11,279.79x = 16,923.33 × 4,707.86
  4. Step 4: Simplify right side
    11,279.79x = 79,672,583.76
  5. Step 5: Solve for x
    x = 79,672,583.76/11,279.79
  6. Step 6: Final answer
    x = 7,063.30

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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.