Home / 12,282.01-18,425.78-4,490.75

Finding the Fourth Proportional to 12,282.01, 18,425.78 and 4,490.75

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Solution

The fourth proportional to 12,282.01, 18,425.78 and 4,490.75 is: 6,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.01 : 18,425.78 = 4,490.75 : x
  2. Step 2: Convert to fraction form
    12,282.01/18,425.78 = 4,490.75/x
  3. Step 3: Cross multiply
    12,282.01x = 18,425.78 × 4,490.75
  4. Step 4: Simplify right side
    12,282.01x = 82,745,571.54
  5. Step 5: Solve for x
    x = 82,745,571.54/12,282.01
  6. Step 6: Final answer
    x = 6,737.14

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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.