Home / 18,086.24-27,129.36-13,472.48

Finding the Fourth Proportional to 18,086.24, 27,129.36 and 13,472.48

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Solution

The fourth proportional to 18,086.24, 27,129.36 and 13,472.48 is: 20,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,086.24 : 27,129.36 = 13,472.48 : x
  2. Step 2: Convert to fraction form
    18,086.24/27,129.36 = 13,472.48/x
  3. Step 3: Cross multiply
    18,086.24x = 27,129.36 × 13,472.48
  4. Step 4: Simplify right side
    18,086.24x = 365,499,760.01
  5. Step 5: Solve for x
    x = 365,499,760.01/18,086.24
  6. Step 6: Final answer
    x = 20,208.72

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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.