Home / 9,183.46-12,673.20-4,991.72

Finding the Fourth Proportional to 9,183.46, 12,673.20 and 4,991.72

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Solution

The fourth proportional to 9,183.46, 12,673.20 and 4,991.72 is: 6,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.46 : 12,673.20 = 4,991.72 : x
  2. Step 2: Convert to fraction form
    9,183.46/12,673.20 = 4,991.72/x
  3. Step 3: Cross multiply
    9,183.46x = 12,673.20 × 4,991.72
  4. Step 4: Simplify right side
    9,183.46x = 63,261,065.90
  5. Step 5: Solve for x
    x = 63,261,065.90/9,183.46
  6. Step 6: Final answer
    x = 6,888.59

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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.