Home / 11,984.75-16,540.19-7,206.25

Finding the Fourth Proportional to 11,984.75, 16,540.19 and 7,206.25

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Solution

The fourth proportional to 11,984.75, 16,540.19 and 7,206.25 is: 9,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.75 : 16,540.19 = 7,206.25 : x
  2. Step 2: Convert to fraction form
    11,984.75/16,540.19 = 7,206.25/x
  3. Step 3: Cross multiply
    11,984.75x = 16,540.19 × 7,206.25
  4. Step 4: Simplify right side
    11,984.75x = 119,192,744.19
  5. Step 5: Solve for x
    x = 119,192,744.19/11,984.75
  6. Step 6: Final answer
    x = 9,945.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.