Home / 20,185.38-30,282.93-6,334.38

Finding the Fourth Proportional to 20,185.38, 30,282.93 and 6,334.38

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Solution

The fourth proportional to 20,185.38, 30,282.93 and 6,334.38 is: 9,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.38 : 30,282.93 = 6,334.38 : x
  2. Step 2: Convert to fraction form
    20,185.38/30,282.93 = 6,334.38/x
  3. Step 3: Cross multiply
    20,185.38x = 30,282.93 × 6,334.38
  4. Step 4: Simplify right side
    20,185.38x = 191,823,586.13
  5. Step 5: Solve for x
    x = 191,823,586.13/20,185.38
  6. Step 6: Final answer
    x = 9,503.10

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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.