Home / 18,299.26-27,458.12-7,213.92

Finding the Fourth Proportional to 18,299.26, 27,458.12 and 7,213.92

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Solution

The fourth proportional to 18,299.26, 27,458.12 and 7,213.92 is: 10,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.26 : 27,458.12 = 7,213.92 : x
  2. Step 2: Convert to fraction form
    18,299.26/27,458.12 = 7,213.92/x
  3. Step 3: Cross multiply
    18,299.26x = 27,458.12 × 7,213.92
  4. Step 4: Simplify right side
    18,299.26x = 198,080,681.03
  5. Step 5: Solve for x
    x = 198,080,681.03/18,299.26
  6. Step 6: Final answer
    x = 10,824.52

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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.