Home / 13,754.99-18,908.90-11,833.80

Finding the Fourth Proportional to 13,754.99, 18,908.90 and 11,833.80

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Solution

The fourth proportional to 13,754.99, 18,908.90 and 11,833.80 is: 16,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.99 : 18,908.90 = 11,833.80 : x
  2. Step 2: Convert to fraction form
    13,754.99/18,908.90 = 11,833.80/x
  3. Step 3: Cross multiply
    13,754.99x = 18,908.90 × 11,833.80
  4. Step 4: Simplify right side
    13,754.99x = 223,764,081.65
  5. Step 5: Solve for x
    x = 223,764,081.65/13,754.99
  6. Step 6: Final answer
    x = 16,267.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.