Home / 11,943.77-17,811.41-10,469.84

Finding the Fourth Proportional to 11,943.77, 17,811.41 and 10,469.84

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Solution

The fourth proportional to 11,943.77, 17,811.41 and 10,469.84 is: 15,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.77 : 17,811.41 = 10,469.84 : x
  2. Step 2: Convert to fraction form
    11,943.77/17,811.41 = 10,469.84/x
  3. Step 3: Cross multiply
    11,943.77x = 17,811.41 × 10,469.84
  4. Step 4: Simplify right side
    11,943.77x = 186,482,471.47
  5. Step 5: Solve for x
    x = 186,482,471.47/11,943.77
  6. Step 6: Final answer
    x = 15,613.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.