Home / 16,661.08-22,986.78-10,998.64

Finding the Fourth Proportional to 16,661.08, 22,986.78 and 10,998.64

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Solution

The fourth proportional to 16,661.08, 22,986.78 and 10,998.64 is: 15,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.08 : 22,986.78 = 10,998.64 : x
  2. Step 2: Convert to fraction form
    16,661.08/22,986.78 = 10,998.64/x
  3. Step 3: Cross multiply
    16,661.08x = 22,986.78 × 10,998.64
  4. Step 4: Simplify right side
    16,661.08x = 252,823,317.98
  5. Step 5: Solve for x
    x = 252,823,317.98/16,661.08
  6. Step 6: Final answer
    x = 15,174.49

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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.