Home / 11,331.56-16,995.98-3,012.21

Finding the Fourth Proportional to 11,331.56, 16,995.98 and 3,012.21

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Solution

The fourth proportional to 11,331.56, 16,995.98 and 3,012.21 is: 4,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.56 : 16,995.98 = 3,012.21 : x
  2. Step 2: Convert to fraction form
    11,331.56/16,995.98 = 3,012.21/x
  3. Step 3: Cross multiply
    11,331.56x = 16,995.98 × 3,012.21
  4. Step 4: Simplify right side
    11,331.56x = 51,195,460.92
  5. Step 5: Solve for x
    x = 51,195,460.92/11,331.56
  6. Step 6: Final answer
    x = 4,517.95

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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.