Home / 20,836.68-31,258.26-6,793.45

Finding the Fourth Proportional to 20,836.68, 31,258.26 and 6,793.45

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Solution

The fourth proportional to 20,836.68, 31,258.26 and 6,793.45 is: 10,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.68 : 31,258.26 = 6,793.45 : x
  2. Step 2: Convert to fraction form
    20,836.68/31,258.26 = 6,793.45/x
  3. Step 3: Cross multiply
    20,836.68x = 31,258.26 × 6,793.45
  4. Step 4: Simplify right side
    20,836.68x = 212,351,270.11
  5. Step 5: Solve for x
    x = 212,351,270.11/20,836.68
  6. Step 6: Final answer
    x = 10,191.22

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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.