Home / 18,995.43-28,496.21-5,847.80

Finding the Fourth Proportional to 18,995.43, 28,496.21 and 5,847.80

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Solution

The fourth proportional to 18,995.43, 28,496.21 and 5,847.80 is: 8,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.43 : 28,496.21 = 5,847.80 : x
  2. Step 2: Convert to fraction form
    18,995.43/28,496.21 = 5,847.80/x
  3. Step 3: Cross multiply
    18,995.43x = 28,496.21 × 5,847.80
  4. Step 4: Simplify right side
    18,995.43x = 166,639,965.12
  5. Step 5: Solve for x
    x = 166,639,965.12/18,995.43
  6. Step 6: Final answer
    x = 8,772.64

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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.