Home / 18,449.28-27,674.10-5,301.75

Finding the Fourth Proportional to 18,449.28, 27,674.10 and 5,301.75

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Solution

The fourth proportional to 18,449.28, 27,674.10 and 5,301.75 is: 7,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.28 : 27,674.10 = 5,301.75 : x
  2. Step 2: Convert to fraction form
    18,449.28/27,674.10 = 5,301.75/x
  3. Step 3: Cross multiply
    18,449.28x = 27,674.10 × 5,301.75
  4. Step 4: Simplify right side
    18,449.28x = 146,721,159.68
  5. Step 5: Solve for x
    x = 146,721,159.68/18,449.28
  6. Step 6: Final answer
    x = 7,952.68

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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.