Home / 18,995.45-28,493.17-8,462.75

Finding the Fourth Proportional to 18,995.45, 28,493.17 and 8,462.75

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Solution

The fourth proportional to 18,995.45, 28,493.17 and 8,462.75 is: 12,694.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.45 : 28,493.17 = 8,462.75 : x
  2. Step 2: Convert to fraction form
    18,995.45/28,493.17 = 8,462.75/x
  3. Step 3: Cross multiply
    18,995.45x = 28,493.17 × 8,462.75
  4. Step 4: Simplify right side
    18,995.45x = 241,130,410.79
  5. Step 5: Solve for x
    x = 241,130,410.79/18,995.45
  6. Step 6: Final answer
    x = 12,694.12

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Similar ratio
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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.