Home / 17,979.92-27,014.48-11,658.81

Finding the Fourth Proportional to 17,979.92, 27,014.48 and 11,658.81

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Solution

The fourth proportional to 17,979.92, 27,014.48 and 11,658.81 is: 17,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.92 : 27,014.48 = 11,658.81 : x
  2. Step 2: Convert to fraction form
    17,979.92/27,014.48 = 11,658.81/x
  3. Step 3: Cross multiply
    17,979.92x = 27,014.48 × 11,658.81
  4. Step 4: Simplify right side
    17,979.92x = 314,956,631.27
  5. Step 5: Solve for x
    x = 314,956,631.27/17,979.92
  6. Step 6: Final answer
    x = 17,517.14

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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.