Home / 11,381.15-17,069.09-4,358.66

Finding the Fourth Proportional to 11,381.15, 17,069.09 and 4,358.66

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Solution

The fourth proportional to 11,381.15, 17,069.09 and 4,358.66 is: 6,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.15 : 17,069.09 = 4,358.66 : x
  2. Step 2: Convert to fraction form
    11,381.15/17,069.09 = 4,358.66/x
  3. Step 3: Cross multiply
    11,381.15x = 17,069.09 × 4,358.66
  4. Step 4: Simplify right side
    11,381.15x = 74,398,252.68
  5. Step 5: Solve for x
    x = 74,398,252.68/11,381.15
  6. Step 6: Final answer
    x = 6,536.97

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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.