Home / 11,623.14-17,434.47-7,876.68

Finding the Fourth Proportional to 11,623.14, 17,434.47 and 7,876.68

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Solution

The fourth proportional to 11,623.14, 17,434.47 and 7,876.68 is: 11,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.14 : 17,434.47 = 7,876.68 : x
  2. Step 2: Convert to fraction form
    11,623.14/17,434.47 = 7,876.68/x
  3. Step 3: Cross multiply
    11,623.14x = 17,434.47 × 7,876.68
  4. Step 4: Simplify right side
    11,623.14x = 137,325,741.16
  5. Step 5: Solve for x
    x = 137,325,741.16/11,623.14
  6. Step 6: Final answer
    x = 11,814.86

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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.