Home / 13,960.24-20,945.99-8,965.16

Finding the Fourth Proportional to 13,960.24, 20,945.99 and 8,965.16

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Solution

The fourth proportional to 13,960.24, 20,945.99 and 8,965.16 is: 13,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.24 : 20,945.99 = 8,965.16 : x
  2. Step 2: Convert to fraction form
    13,960.24/20,945.99 = 8,965.16/x
  3. Step 3: Cross multiply
    13,960.24x = 20,945.99 × 8,965.16
  4. Step 4: Simplify right side
    13,960.24x = 187,784,221.58
  5. Step 5: Solve for x
    x = 187,784,221.58/13,960.24
  6. Step 6: Final answer
    x = 13,451.36

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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.