Home / 20,150.19-30,230.41-11,837.24

Finding the Fourth Proportional to 20,150.19, 30,230.41 and 11,837.24

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Solution

The fourth proportional to 20,150.19, 30,230.41 and 11,837.24 is: 17,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.19 : 30,230.41 = 11,837.24 : x
  2. Step 2: Convert to fraction form
    20,150.19/30,230.41 = 11,837.24/x
  3. Step 3: Cross multiply
    20,150.19x = 30,230.41 × 11,837.24
  4. Step 4: Simplify right side
    20,150.19x = 357,844,618.47
  5. Step 5: Solve for x
    x = 357,844,618.47/20,150.19
  6. Step 6: Final answer
    x = 17,758.87

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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.