Home / 9,939.24-14,906.90-3,012.12

Finding the Fourth Proportional to 9,939.24, 14,906.90 and 3,012.12

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Solution

The fourth proportional to 9,939.24, 14,906.90 and 3,012.12 is: 4,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.24 : 14,906.90 = 3,012.12 : x
  2. Step 2: Convert to fraction form
    9,939.24/14,906.90 = 3,012.12/x
  3. Step 3: Cross multiply
    9,939.24x = 14,906.90 × 3,012.12
  4. Step 4: Simplify right side
    9,939.24x = 44,901,371.63
  5. Step 5: Solve for x
    x = 44,901,371.63/9,939.24
  6. Step 6: Final answer
    x = 4,517.59

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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.