Home / 18,613.48-27,919.68-15,833.56

Finding the Fourth Proportional to 18,613.48, 27,919.68 and 15,833.56

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Solution

The fourth proportional to 18,613.48, 27,919.68 and 15,833.56 is: 23,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.48 : 27,919.68 = 15,833.56 : x
  2. Step 2: Convert to fraction form
    18,613.48/27,919.68 = 15,833.56/x
  3. Step 3: Cross multiply
    18,613.48x = 27,919.68 × 15,833.56
  4. Step 4: Simplify right side
    18,613.48x = 442,067,928.46
  5. Step 5: Solve for x
    x = 442,067,928.46/18,613.48
  6. Step 6: Final answer
    x = 23,749.88

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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.