Home / 13,277.24-18,322.44-7,308.79

Finding the Fourth Proportional to 13,277.24, 18,322.44 and 7,308.79

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Solution

The fourth proportional to 13,277.24, 18,322.44 and 7,308.79 is: 10,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.24 : 18,322.44 = 7,308.79 : x
  2. Step 2: Convert to fraction form
    13,277.24/18,322.44 = 7,308.79/x
  3. Step 3: Cross multiply
    13,277.24x = 18,322.44 × 7,308.79
  4. Step 4: Simplify right side
    13,277.24x = 133,914,793.03
  5. Step 5: Solve for x
    x = 133,914,793.03/13,277.24
  6. Step 6: Final answer
    x = 10,086.04

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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.