Home / 11,879.49-17,827.88-5,313.09

Finding the Fourth Proportional to 11,879.49, 17,827.88 and 5,313.09

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Solution

The fourth proportional to 11,879.49, 17,827.88 and 5,313.09 is: 7,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.49 : 17,827.88 = 5,313.09 : x
  2. Step 2: Convert to fraction form
    11,879.49/17,827.88 = 5,313.09/x
  3. Step 3: Cross multiply
    11,879.49x = 17,827.88 × 5,313.09
  4. Step 4: Simplify right side
    11,879.49x = 94,721,104.38
  5. Step 5: Solve for x
    x = 94,721,104.38/11,879.49
  6. Step 6: Final answer
    x = 7,973.50

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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.