Home / 18,274.68-27,422.96-7,886.43

Finding the Fourth Proportional to 18,274.68, 27,422.96 and 7,886.43

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Solution

The fourth proportional to 18,274.68, 27,422.96 and 7,886.43 is: 11,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.68 : 27,422.96 = 7,886.43 : x
  2. Step 2: Convert to fraction form
    18,274.68/27,422.96 = 7,886.43/x
  3. Step 3: Cross multiply
    18,274.68x = 27,422.96 × 7,886.43
  4. Step 4: Simplify right side
    18,274.68x = 216,269,254.43
  5. Step 5: Solve for x
    x = 216,269,254.43/18,274.68
  6. Step 6: Final answer
    x = 11,834.37

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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.