Home / 11,892.27-16,411.16-6,514.63

Finding the Fourth Proportional to 11,892.27, 16,411.16 and 6,514.63

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Solution

The fourth proportional to 11,892.27, 16,411.16 and 6,514.63 is: 8,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.27 : 16,411.16 = 6,514.63 : x
  2. Step 2: Convert to fraction form
    11,892.27/16,411.16 = 6,514.63/x
  3. Step 3: Cross multiply
    11,892.27x = 16,411.16 × 6,514.63
  4. Step 4: Simplify right side
    11,892.27x = 106,912,573.88
  5. Step 5: Solve for x
    x = 106,912,573.88/11,892.27
  6. Step 6: Final answer
    x = 8,990.09

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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.