Home / 18,320.14-27,480.24-6,630.64

Finding the Fourth Proportional to 18,320.14, 27,480.24 and 6,630.64

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Solution

The fourth proportional to 18,320.14, 27,480.24 and 6,630.64 is: 9,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.14 : 27,480.24 = 6,630.64 : x
  2. Step 2: Convert to fraction form
    18,320.14/27,480.24 = 6,630.64/x
  3. Step 3: Cross multiply
    18,320.14x = 27,480.24 × 6,630.64
  4. Step 4: Simplify right side
    18,320.14x = 182,211,578.55
  5. Step 5: Solve for x
    x = 182,211,578.55/18,320.14
  6. Step 6: Final answer
    x = 9,945.97

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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.