Home / 20,192.33-30,286.10-5,402.39

Finding the Fourth Proportional to 20,192.33, 30,286.10 and 5,402.39

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Solution

The fourth proportional to 20,192.33, 30,286.10 and 5,402.39 is: 8,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.33 : 30,286.10 = 5,402.39 : x
  2. Step 2: Convert to fraction form
    20,192.33/30,286.10 = 5,402.39/x
  3. Step 3: Cross multiply
    20,192.33x = 30,286.10 × 5,402.39
  4. Step 4: Simplify right side
    20,192.33x = 163,617,145.34
  5. Step 5: Solve for x
    x = 163,617,145.34/20,192.33
  6. Step 6: Final answer
    x = 8,102.94

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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.