Home / 18,347.28-27,502.24-7,238.72

Finding the Fourth Proportional to 18,347.28, 27,502.24 and 7,238.72

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Solution

The fourth proportional to 18,347.28, 27,502.24 and 7,238.72 is: 10,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.28 : 27,502.24 = 7,238.72 : x
  2. Step 2: Convert to fraction form
    18,347.28/27,502.24 = 7,238.72/x
  3. Step 3: Cross multiply
    18,347.28x = 27,502.24 × 7,238.72
  4. Step 4: Simplify right side
    18,347.28x = 199,081,014.73
  5. Step 5: Solve for x
    x = 199,081,014.73/18,347.28
  6. Step 6: Final answer
    x = 10,850.71

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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.