Home / 20,324.22-30,465.41-11,540.58

Finding the Fourth Proportional to 20,324.22, 30,465.41 and 11,540.58

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Solution

The fourth proportional to 20,324.22, 30,465.41 and 11,540.58 is: 17,298.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.22 : 30,465.41 = 11,540.58 : x
  2. Step 2: Convert to fraction form
    20,324.22/30,465.41 = 11,540.58/x
  3. Step 3: Cross multiply
    20,324.22x = 30,465.41 × 11,540.58
  4. Step 4: Simplify right side
    20,324.22x = 351,588,443.63
  5. Step 5: Solve for x
    x = 351,588,443.63/20,324.22
  6. Step 6: Final answer
    x = 17,298.99

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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.