Home / 12,265.92-18,403.83-4,872.65

Finding the Fourth Proportional to 12,265.92, 18,403.83 and 4,872.65

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Solution

The fourth proportional to 12,265.92, 18,403.83 and 4,872.65 is: 7,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265.92 : 18,403.83 = 4,872.65 : x
  2. Step 2: Convert to fraction form
    12,265.92/18,403.83 = 4,872.65/x
  3. Step 3: Cross multiply
    12,265.92x = 18,403.83 × 4,872.65
  4. Step 4: Simplify right side
    12,265.92x = 89,675,330.23
  5. Step 5: Solve for x
    x = 89,675,330.23/12,265.92
  6. Step 6: Final answer
    x = 7,310.93

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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.