Home / 20,013.08-30,020.23-6,865.27

Finding the Fourth Proportional to 20,013.08, 30,020.23 and 6,865.27

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Solution

The fourth proportional to 20,013.08, 30,020.23 and 6,865.27 is: 10,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013.08 : 30,020.23 = 6,865.27 : x
  2. Step 2: Convert to fraction form
    20,013.08/30,020.23 = 6,865.27/x
  3. Step 3: Cross multiply
    20,013.08x = 30,020.23 × 6,865.27
  4. Step 4: Simplify right side
    20,013.08x = 206,096,880.96
  5. Step 5: Solve for x
    x = 206,096,880.96/20,013.08
  6. Step 6: Final answer
    x = 10,298.11

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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.