Home / 9,839.20-14,760.60-3,996.40

Finding the Fourth Proportional to 9,839.20, 14,760.60 and 3,996.40

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Solution

The fourth proportional to 9,839.20, 14,760.60 and 3,996.40 is: 5,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839.20 : 14,760.60 = 3,996.40 : x
  2. Step 2: Convert to fraction form
    9,839.20/14,760.60 = 3,996.40/x
  3. Step 3: Cross multiply
    9,839.20x = 14,760.60 × 3,996.40
  4. Step 4: Simplify right side
    9,839.20x = 58,989,261.84
  5. Step 5: Solve for x
    x = 58,989,261.84/9,839.20
  6. Step 6: Final answer
    x = 5,995.33

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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.