Home / 11,176.64-15,425.92-7,399.88

Finding the Fourth Proportional to 11,176.64, 15,425.92 and 7,399.88

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Solution

The fourth proportional to 11,176.64, 15,425.92 and 7,399.88 is: 10,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.64 : 15,425.92 = 7,399.88 : x
  2. Step 2: Convert to fraction form
    11,176.64/15,425.92 = 7,399.88/x
  3. Step 3: Cross multiply
    11,176.64x = 15,425.92 × 7,399.88
  4. Step 4: Simplify right side
    11,176.64x = 114,149,956.89
  5. Step 5: Solve for x
    x = 114,149,956.89/11,176.64
  6. Step 6: Final answer
    x = 10,213.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.