Home / 16,788.94-23,169.93-11,113.78

Finding the Fourth Proportional to 16,788.94, 23,169.93 and 11,113.78

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Solution

The fourth proportional to 16,788.94, 23,169.93 and 11,113.78 is: 15,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.94 : 23,169.93 = 11,113.78 : x
  2. Step 2: Convert to fraction form
    16,788.94/23,169.93 = 11,113.78/x
  3. Step 3: Cross multiply
    16,788.94x = 23,169.93 × 11,113.78
  4. Step 4: Simplify right side
    16,788.94x = 257,505,504.64
  5. Step 5: Solve for x
    x = 257,505,504.64/16,788.94
  6. Step 6: Final answer
    x = 15,337.81

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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.