Home / 16,768.80-23,157.45-15,194.16

Finding the Fourth Proportional to 16,768.80, 23,157.45 and 15,194.16

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Solution

The fourth proportional to 16,768.80, 23,157.45 and 15,194.16 is: 20,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.80 : 23,157.45 = 15,194.16 : x
  2. Step 2: Convert to fraction form
    16,768.80/23,157.45 = 15,194.16/x
  3. Step 3: Cross multiply
    16,768.80x = 23,157.45 × 15,194.16
  4. Step 4: Simplify right side
    16,768.80x = 351,858,000.49
  5. Step 5: Solve for x
    x = 351,858,000.49/16,768.80
  6. Step 6: Final answer
    x = 20,982.90

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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.