Home / 11,965.65-16,513.38-7,984.23

Finding the Fourth Proportional to 11,965.65, 16,513.38 and 7,984.23

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Solution

The fourth proportional to 11,965.65, 16,513.38 and 7,984.23 is: 11,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.65 : 16,513.38 = 7,984.23 : x
  2. Step 2: Convert to fraction form
    11,965.65/16,513.38 = 7,984.23/x
  3. Step 3: Cross multiply
    11,965.65x = 16,513.38 × 7,984.23
  4. Step 4: Simplify right side
    11,965.65x = 131,846,624.00
  5. Step 5: Solve for x
    x = 131,846,624.00/11,965.65
  6. Step 6: Final answer
    x = 11,018.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.