Home / 11,234.39-15,391.08-10,813.79

Finding the Fourth Proportional to 11,234.39, 15,391.08 and 10,813.79

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Solution

The fourth proportional to 11,234.39, 15,391.08 and 10,813.79 is: 14,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.39 : 15,391.08 = 10,813.79 : x
  2. Step 2: Convert to fraction form
    11,234.39/15,391.08 = 10,813.79/x
  3. Step 3: Cross multiply
    11,234.39x = 15,391.08 × 10,813.79
  4. Step 4: Simplify right side
    11,234.39x = 166,435,830.04
  5. Step 5: Solve for x
    x = 166,435,830.04/11,234.39
  6. Step 6: Final answer
    x = 14,814.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.