Home / 11,122.95-16,687.15-3,331.76

Finding the Fourth Proportional to 11,122.95, 16,687.15 and 3,331.76

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Solution

The fourth proportional to 11,122.95, 16,687.15 and 3,331.76 is: 4,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.95 : 16,687.15 = 3,331.76 : x
  2. Step 2: Convert to fraction form
    11,122.95/16,687.15 = 3,331.76/x
  3. Step 3: Cross multiply
    11,122.95x = 16,687.15 × 3,331.76
  4. Step 4: Simplify right side
    11,122.95x = 55,597,548.11
  5. Step 5: Solve for x
    x = 55,597,548.11/11,122.95
  6. Step 6: Final answer
    x = 4,998.46

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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.