Home / 12,022.20-18,046.26-8,574.84

Finding the Fourth Proportional to 12,022.20, 18,046.26 and 8,574.84

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Solution

The fourth proportional to 12,022.20, 18,046.26 and 8,574.84 is: 12,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.20 : 18,046.26 = 8,574.84 : x
  2. Step 2: Convert to fraction form
    12,022.20/18,046.26 = 8,574.84/x
  3. Step 3: Cross multiply
    12,022.20x = 18,046.26 × 8,574.84
  4. Step 4: Simplify right side
    12,022.20x = 154,743,792.10
  5. Step 5: Solve for x
    x = 154,743,792.10/12,022.20
  6. Step 6: Final answer
    x = 12,871.50

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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.