Home / 11,331.91-16,995.29-4,309.42

Finding the Fourth Proportional to 11,331.91, 16,995.29 and 4,309.42

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Solution

The fourth proportional to 11,331.91, 16,995.29 and 4,309.42 is: 6,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.91 : 16,995.29 = 4,309.42 : x
  2. Step 2: Convert to fraction form
    11,331.91/16,995.29 = 4,309.42/x
  3. Step 3: Cross multiply
    11,331.91x = 16,995.29 × 4,309.42
  4. Step 4: Simplify right side
    11,331.91x = 73,239,842.63
  5. Step 5: Solve for x
    x = 73,239,842.63/11,331.91
  6. Step 6: Final answer
    x = 6,463.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.