Home / 20,201.24-30,283.16-10,318.73

Finding the Fourth Proportional to 20,201.24, 30,283.16 and 10,318.73

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Solution

The fourth proportional to 20,201.24, 30,283.16 and 10,318.73 is: 15,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.24 : 30,283.16 = 10,318.73 : x
  2. Step 2: Convert to fraction form
    20,201.24/30,283.16 = 10,318.73/x
  3. Step 3: Cross multiply
    20,201.24x = 30,283.16 × 10,318.73
  4. Step 4: Simplify right side
    20,201.24x = 312,483,548.58
  5. Step 5: Solve for x
    x = 312,483,548.58/20,201.24
  6. Step 6: Final answer
    x = 15,468.53

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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.