Home / 11,310.62-16,957.72-7,603.65

Finding the Fourth Proportional to 11,310.62, 16,957.72 and 7,603.65

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Solution

The fourth proportional to 11,310.62, 16,957.72 and 7,603.65 is: 11,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.62 : 16,957.72 = 7,603.65 : x
  2. Step 2: Convert to fraction form
    11,310.62/16,957.72 = 7,603.65/x
  3. Step 3: Cross multiply
    11,310.62x = 16,957.72 × 7,603.65
  4. Step 4: Simplify right side
    11,310.62x = 128,940,529.66
  5. Step 5: Solve for x
    x = 128,940,529.66/11,310.62
  6. Step 6: Final answer
    x = 11,399.96

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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.