Home / 11,199.52-15,455.82-6,723.64

Finding the Fourth Proportional to 11,199.52, 15,455.82 and 6,723.64

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Solution

The fourth proportional to 11,199.52, 15,455.82 and 6,723.64 is: 9,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.52 : 15,455.82 = 6,723.64 : x
  2. Step 2: Convert to fraction form
    11,199.52/15,455.82 = 6,723.64/x
  3. Step 3: Cross multiply
    11,199.52x = 15,455.82 × 6,723.64
  4. Step 4: Simplify right side
    11,199.52x = 103,919,369.58
  5. Step 5: Solve for x
    x = 103,919,369.58/11,199.52
  6. Step 6: Final answer
    x = 9,278.91

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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.