Home / 12,151.92-18,226.94-4,758.06

Finding the Fourth Proportional to 12,151.92, 18,226.94 and 4,758.06

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Solution

The fourth proportional to 12,151.92, 18,226.94 and 4,758.06 is: 7,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.92 : 18,226.94 = 4,758.06 : x
  2. Step 2: Convert to fraction form
    12,151.92/18,226.94 = 4,758.06/x
  3. Step 3: Cross multiply
    12,151.92x = 18,226.94 × 4,758.06
  4. Step 4: Simplify right side
    12,151.92x = 86,724,850.35
  5. Step 5: Solve for x
    x = 86,724,850.35/12,151.92
  6. Step 6: Final answer
    x = 7,136.72

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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.