Home / 11,927.96-16,460.49-6,622.79

Finding the Fourth Proportional to 11,927.96, 16,460.49 and 6,622.79

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Solution

The fourth proportional to 11,927.96, 16,460.49 and 6,622.79 is: 9,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.96 : 16,460.49 = 6,622.79 : x
  2. Step 2: Convert to fraction form
    11,927.96/16,460.49 = 6,622.79/x
  3. Step 3: Cross multiply
    11,927.96x = 16,460.49 × 6,622.79
  4. Step 4: Simplify right side
    11,927.96x = 109,014,286.26
  5. Step 5: Solve for x
    x = 109,014,286.26/11,927.96
  6. Step 6: Final answer
    x = 9,139.39

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Similar ratio
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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.