Home / 11,926.98-16,459.97-6,621.89

Finding the Fourth Proportional to 11,926.98, 16,459.97 and 6,621.89

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Solution

The fourth proportional to 11,926.98, 16,459.97 and 6,621.89 is: 9,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.98 : 16,459.97 = 6,621.89 : x
  2. Step 2: Convert to fraction form
    11,926.98/16,459.97 = 6,621.89/x
  3. Step 3: Cross multiply
    11,926.98x = 16,459.97 × 6,621.89
  4. Step 4: Simplify right side
    11,926.98x = 108,995,995.33
  5. Step 5: Solve for x
    x = 108,995,995.33/11,926.98
  6. Step 6: Final answer
    x = 9,138.61

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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.