Home / 11,087.74-16,651.42-10,641.80

Finding the Fourth Proportional to 11,087.74, 16,651.42 and 10,641.80

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Solution

The fourth proportional to 11,087.74, 16,651.42 and 10,641.80 is: 15,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.74 : 16,651.42 = 10,641.80 : x
  2. Step 2: Convert to fraction form
    11,087.74/16,651.42 = 10,641.80/x
  3. Step 3: Cross multiply
    11,087.74x = 16,651.42 × 10,641.80
  4. Step 4: Simplify right side
    11,087.74x = 177,201,081.36
  5. Step 5: Solve for x
    x = 177,201,081.36/11,087.74
  6. Step 6: Final answer
    x = 15,981.71

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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.