Home / 20,252.91-30,369.95-6,209.33

Finding the Fourth Proportional to 20,252.91, 30,369.95 and 6,209.33

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Solution

The fourth proportional to 20,252.91, 30,369.95 and 6,209.33 is: 9,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.91 : 30,369.95 = 6,209.33 : x
  2. Step 2: Convert to fraction form
    20,252.91/30,369.95 = 6,209.33/x
  3. Step 3: Cross multiply
    20,252.91x = 30,369.95 × 6,209.33
  4. Step 4: Simplify right side
    20,252.91x = 188,577,010.59
  5. Step 5: Solve for x
    x = 188,577,010.59/20,252.91
  6. Step 6: Final answer
    x = 9,311.11

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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.