Home / 13,764.11-18,976.05-10,940.85

Finding the Fourth Proportional to 13,764.11, 18,976.05 and 10,940.85

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Solution

The fourth proportional to 13,764.11, 18,976.05 and 10,940.85 is: 15,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.11 : 18,976.05 = 10,940.85 : x
  2. Step 2: Convert to fraction form
    13,764.11/18,976.05 = 10,940.85/x
  3. Step 3: Cross multiply
    13,764.11x = 18,976.05 × 10,940.85
  4. Step 4: Simplify right side
    13,764.11x = 207,614,116.64
  5. Step 5: Solve for x
    x = 207,614,116.64/13,764.11
  6. Step 6: Final answer
    x = 15,083.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.