Home / 11,504.24-15,857.56-8,704.88

Finding the Fourth Proportional to 11,504.24, 15,857.56 and 8,704.88

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Solution

The fourth proportional to 11,504.24, 15,857.56 and 8,704.88 is: 11,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.24 : 15,857.56 = 8,704.88 : x
  2. Step 2: Convert to fraction form
    11,504.24/15,857.56 = 8,704.88/x
  3. Step 3: Cross multiply
    11,504.24x = 15,857.56 × 8,704.88
  4. Step 4: Simplify right side
    11,504.24x = 138,038,156.89
  5. Step 5: Solve for x
    x = 138,038,156.89/11,504.24
  6. Step 6: Final answer
    x = 11,998.89

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1.5x scale

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.