Home / 16,704.82-23,055.62-9,991.19

Finding the Fourth Proportional to 16,704.82, 23,055.62 and 9,991.19

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Solution

The fourth proportional to 16,704.82, 23,055.62 and 9,991.19 is: 13,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,704.82 : 23,055.62 = 9,991.19 : x
  2. Step 2: Convert to fraction form
    16,704.82/23,055.62 = 9,991.19/x
  3. Step 3: Cross multiply
    16,704.82x = 23,055.62 × 9,991.19
  4. Step 4: Simplify right side
    16,704.82x = 230,353,079.99
  5. Step 5: Solve for x
    x = 230,353,079.99/16,704.82
  6. Step 6: Final answer
    x = 13,789.62

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Half scale
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Double scale
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Similar ratio
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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.