Home / 18,815.46-28,217.75-6,332.28

Finding the Fourth Proportional to 18,815.46, 28,217.75 and 6,332.28

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Solution

The fourth proportional to 18,815.46, 28,217.75 and 6,332.28 is: 9,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.46 : 28,217.75 = 6,332.28 : x
  2. Step 2: Convert to fraction form
    18,815.46/28,217.75 = 6,332.28/x
  3. Step 3: Cross multiply
    18,815.46x = 28,217.75 × 6,332.28
  4. Step 4: Simplify right side
    18,815.46x = 178,682,662.31
  5. Step 5: Solve for x
    x = 178,682,662.31/18,815.46
  6. Step 6: Final answer
    x = 9,496.59

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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.