Home / 11,926.17-16,456.37-6,621.03

Finding the Fourth Proportional to 11,926.17, 16,456.37 and 6,621.03

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Solution

The fourth proportional to 11,926.17, 16,456.37 and 6,621.03 is: 9,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.17 : 16,456.37 = 6,621.03 : x
  2. Step 2: Convert to fraction form
    11,926.17/16,456.37 = 6,621.03/x
  3. Step 3: Cross multiply
    11,926.17x = 16,456.37 × 6,621.03
  4. Step 4: Simplify right side
    11,926.17x = 108,958,086.36
  5. Step 5: Solve for x
    x = 108,958,086.36/11,926.17
  6. Step 6: Final answer
    x = 9,136.05

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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.