Home / 23,183.96-31,990.95-12,974.72

Finding the Fourth Proportional to 23,183.96, 31,990.95 and 12,974.72

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Solution

The fourth proportional to 23,183.96, 31,990.95 and 12,974.72 is: 17,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,183.96 : 31,990.95 = 12,974.72 : x
  2. Step 2: Convert to fraction form
    23,183.96/31,990.95 = 12,974.72/x
  3. Step 3: Cross multiply
    23,183.96x = 31,990.95 × 12,974.72
  4. Step 4: Simplify right side
    23,183.96x = 415,073,458.83
  5. Step 5: Solve for x
    x = 415,073,458.83/23,183.96
  6. Step 6: Final answer
    x = 17,903.48

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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.