Home / 18,824.26-28,242.56-7,736.18

Finding the Fourth Proportional to 18,824.26, 28,242.56 and 7,736.18

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Solution

The fourth proportional to 18,824.26, 28,242.56 and 7,736.18 is: 11,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.26 : 28,242.56 = 7,736.18 : x
  2. Step 2: Convert to fraction form
    18,824.26/28,242.56 = 7,736.18/x
  3. Step 3: Cross multiply
    18,824.26x = 28,242.56 × 7,736.18
  4. Step 4: Simplify right side
    18,824.26x = 218,489,527.82
  5. Step 5: Solve for x
    x = 218,489,527.82/18,824.26
  6. Step 6: Final answer
    x = 11,606.81

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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.