Home / 18,344.43-27,511.26-7,814.34

Finding the Fourth Proportional to 18,344.43, 27,511.26 and 7,814.34

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Solution

The fourth proportional to 18,344.43, 27,511.26 and 7,814.34 is: 11,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.43 : 27,511.26 = 7,814.34 : x
  2. Step 2: Convert to fraction form
    18,344.43/27,511.26 = 7,814.34/x
  3. Step 3: Cross multiply
    18,344.43x = 27,511.26 × 7,814.34
  4. Step 4: Simplify right side
    18,344.43x = 214,982,339.47
  5. Step 5: Solve for x
    x = 214,982,339.47/18,344.43
  6. Step 6: Final answer
    x = 11,719.22

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1.5x scale

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.