Home / 14,617.97-20,163.38-8,645.48

Finding the Fourth Proportional to 14,617.97, 20,163.38 and 8,645.48

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Solution

The fourth proportional to 14,617.97, 20,163.38 and 8,645.48 is: 11,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.97 : 20,163.38 = 8,645.48 : x
  2. Step 2: Convert to fraction form
    14,617.97/20,163.38 = 8,645.48/x
  3. Step 3: Cross multiply
    14,617.97x = 20,163.38 × 8,645.48
  4. Step 4: Simplify right side
    14,617.97x = 174,322,192.14
  5. Step 5: Solve for x
    x = 174,322,192.14/14,617.97
  6. Step 6: Final answer
    x = 11,925.20

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Similar ratio
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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.