Home / 11,731.94-16,190.45-6,427.08

Finding the Fourth Proportional to 11,731.94, 16,190.45 and 6,427.08

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Solution

The fourth proportional to 11,731.94, 16,190.45 and 6,427.08 is: 8,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.94 : 16,190.45 = 6,427.08 : x
  2. Step 2: Convert to fraction form
    11,731.94/16,190.45 = 6,427.08/x
  3. Step 3: Cross multiply
    11,731.94x = 16,190.45 × 6,427.08
  4. Step 4: Simplify right side
    11,731.94x = 104,057,309.35
  5. Step 5: Solve for x
    x = 104,057,309.35/11,731.94
  6. Step 6: Final answer
    x = 8,869.57

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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.