Home / 11,918.34-16,449.48-7,202.52

Finding the Fourth Proportional to 11,918.34, 16,449.48 and 7,202.52

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Solution

The fourth proportional to 11,918.34, 16,449.48 and 7,202.52 is: 9,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.34 : 16,449.48 = 7,202.52 : x
  2. Step 2: Convert to fraction form
    11,918.34/16,449.48 = 7,202.52/x
  3. Step 3: Cross multiply
    11,918.34x = 16,449.48 × 7,202.52
  4. Step 4: Simplify right side
    11,918.34x = 118,477,708.69
  5. Step 5: Solve for x
    x = 118,477,708.69/11,918.34
  6. Step 6: Final answer
    x = 9,940.79

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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.