Home / 18,154.26-27,221.67-7,760.34

Finding the Fourth Proportional to 18,154.26, 27,221.67 and 7,760.34

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Solution

The fourth proportional to 18,154.26, 27,221.67 and 7,760.34 is: 11,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.26 : 27,221.67 = 7,760.34 : x
  2. Step 2: Convert to fraction form
    18,154.26/27,221.67 = 7,760.34/x
  3. Step 3: Cross multiply
    18,154.26x = 27,221.67 × 7,760.34
  4. Step 4: Simplify right side
    18,154.26x = 211,249,414.57
  5. Step 5: Solve for x
    x = 211,249,414.57/18,154.26
  6. Step 6: Final answer
    x = 11,636.36

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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.