Home / 11,256-15,534.24-6,288.96

Finding the Fourth Proportional to 11,256, 15,534.24 and 6,288.96

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Solution

The fourth proportional to 11,256, 15,534.24 and 6,288.96 is: 8,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256 : 15,534.24 = 6,288.96 : x
  2. Step 2: Convert to fraction form
    11,256/15,534.24 = 6,288.96/x
  3. Step 3: Cross multiply
    11,256x = 15,534.24 × 6,288.96
  4. Step 4: Simplify right side
    11,256x = 97,694,213.99
  5. Step 5: Solve for x
    x = 97,694,213.99/11,256
  6. Step 6: Final answer
    x = 8,679.30

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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.