Home / 11,231.64-15,499.89-6,516.23

Finding the Fourth Proportional to 11,231.64, 15,499.89 and 6,516.23

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Solution

The fourth proportional to 11,231.64, 15,499.89 and 6,516.23 is: 8,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.64 : 15,499.89 = 6,516.23 : x
  2. Step 2: Convert to fraction form
    11,231.64/15,499.89 = 6,516.23/x
  3. Step 3: Cross multiply
    11,231.64x = 15,499.89 × 6,516.23
  4. Step 4: Simplify right side
    11,231.64x = 101,000,770.72
  5. Step 5: Solve for x
    x = 101,000,770.72/11,231.64
  6. Step 6: Final answer
    x = 8,992.52

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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.