Home / 18,143.73-27,207.09-10,749.24

Finding the Fourth Proportional to 18,143.73, 27,207.09 and 10,749.24

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Solution

The fourth proportional to 18,143.73, 27,207.09 and 10,749.24 is: 16,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.73 : 27,207.09 = 10,749.24 : x
  2. Step 2: Convert to fraction form
    18,143.73/27,207.09 = 10,749.24/x
  3. Step 3: Cross multiply
    18,143.73x = 27,207.09 × 10,749.24
  4. Step 4: Simplify right side
    18,143.73x = 292,455,540.11
  5. Step 5: Solve for x
    x = 292,455,540.11/18,143.73
  6. Step 6: Final answer
    x = 16,118.82

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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.