Home / 11,157.24-16,743.84-4,918.80

Finding the Fourth Proportional to 11,157.24, 16,743.84 and 4,918.80

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Solution

The fourth proportional to 11,157.24, 16,743.84 and 4,918.80 is: 7,381.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.24 : 16,743.84 = 4,918.80 : x
  2. Step 2: Convert to fraction form
    11,157.24/16,743.84 = 4,918.80/x
  3. Step 3: Cross multiply
    11,157.24x = 16,743.84 × 4,918.80
  4. Step 4: Simplify right side
    11,157.24x = 82,359,600.19
  5. Step 5: Solve for x
    x = 82,359,600.19/11,157.24
  6. Step 6: Final answer
    x = 7,381.72

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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.