Home / 12,121.14-16,736.58-9,463.89

Finding the Fourth Proportional to 12,121.14, 16,736.58 and 9,463.89

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Solution

The fourth proportional to 12,121.14, 16,736.58 and 9,463.89 is: 13,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,121.14 : 16,736.58 = 9,463.89 : x
  2. Step 2: Convert to fraction form
    12,121.14/16,736.58 = 9,463.89/x
  3. Step 3: Cross multiply
    12,121.14x = 16,736.58 × 9,463.89
  4. Step 4: Simplify right side
    12,121.14x = 158,393,152.10
  5. Step 5: Solve for x
    x = 158,393,152.10/12,121.14
  6. Step 6: Final answer
    x = 13,067.51

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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.