Home / 20,000.15-30,001.04-6,853.85

Finding the Fourth Proportional to 20,000.15, 30,001.04 and 6,853.85

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Solution

The fourth proportional to 20,000.15, 30,001.04 and 6,853.85 is: 10,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.15 : 30,001.04 = 6,853.85 : x
  2. Step 2: Convert to fraction form
    20,000.15/30,001.04 = 6,853.85/x
  3. Step 3: Cross multiply
    20,000.15x = 30,001.04 × 6,853.85
  4. Step 4: Simplify right side
    20,000.15x = 205,622,443.73
  5. Step 5: Solve for x
    x = 205,622,443.73/20,000.15
  6. Step 6: Final answer
    x = 10,281.05

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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.