Home / 9,936.40-14,899.20-3,359.20

Finding the Fourth Proportional to 9,936.40, 14,899.20 and 3,359.20

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Solution

The fourth proportional to 9,936.40, 14,899.20 and 3,359.20 is: 5,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.40 : 14,899.20 = 3,359.20 : x
  2. Step 2: Convert to fraction form
    9,936.40/14,899.20 = 3,359.20/x
  3. Step 3: Cross multiply
    9,936.40x = 14,899.20 × 3,359.20
  4. Step 4: Simplify right side
    9,936.40x = 50,049,392.64
  5. Step 5: Solve for x
    x = 50,049,392.64/9,936.40
  6. Step 6: Final answer
    x = 5,036.97

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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.