Home / 11,121.30-16,667.37-4,539.95

Finding the Fourth Proportional to 11,121.30, 16,667.37 and 4,539.95

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Solution

The fourth proportional to 11,121.30, 16,667.37 and 4,539.95 is: 6,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.30 : 16,667.37 = 4,539.95 : x
  2. Step 2: Convert to fraction form
    11,121.30/16,667.37 = 4,539.95/x
  3. Step 3: Cross multiply
    11,121.30x = 16,667.37 × 4,539.95
  4. Step 4: Simplify right side
    11,121.30x = 75,669,005.60
  5. Step 5: Solve for x
    x = 75,669,005.60/11,121.30
  6. Step 6: Final answer
    x = 6,803.97

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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.