Home / 20,017.46-30,016.01-6,685.67

Finding the Fourth Proportional to 20,017.46, 30,016.01 and 6,685.67

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Solution

The fourth proportional to 20,017.46, 30,016.01 and 6,685.67 is: 10,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.46 : 30,016.01 = 6,685.67 : x
  2. Step 2: Convert to fraction form
    20,017.46/30,016.01 = 6,685.67/x
  3. Step 3: Cross multiply
    20,017.46x = 30,016.01 × 6,685.67
  4. Step 4: Simplify right side
    20,017.46x = 200,677,229.33
  5. Step 5: Solve for x
    x = 200,677,229.33/20,017.46
  6. Step 6: Final answer
    x = 10,025.11

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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.