Home / 9,992.60-13,789.51-5,516.03

Finding the Fourth Proportional to 9,992.60, 13,789.51 and 5,516.03

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Solution

The fourth proportional to 9,992.60, 13,789.51 and 5,516.03 is: 7,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.60 : 13,789.51 = 5,516.03 : x
  2. Step 2: Convert to fraction form
    9,992.60/13,789.51 = 5,516.03/x
  3. Step 3: Cross multiply
    9,992.60x = 13,789.51 × 5,516.03
  4. Step 4: Simplify right side
    9,992.60x = 76,063,350.85
  5. Step 5: Solve for x
    x = 76,063,350.85/9,992.60
  6. Step 6: Final answer
    x = 7,611.97

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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.