Home / 20,177.08-30,251.94-10,308.24

Finding the Fourth Proportional to 20,177.08, 30,251.94 and 10,308.24

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Solution

The fourth proportional to 20,177.08, 30,251.94 and 10,308.24 is: 15,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.08 : 30,251.94 = 10,308.24 : x
  2. Step 2: Convert to fraction form
    20,177.08/30,251.94 = 10,308.24/x
  3. Step 3: Cross multiply
    20,177.08x = 30,251.94 × 10,308.24
  4. Step 4: Simplify right side
    20,177.08x = 311,844,257.99
  5. Step 5: Solve for x
    x = 311,844,257.99/20,177.08
  6. Step 6: Final answer
    x = 15,455.37

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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.