Home / 8,173.21-12,259.83-2,329.81

Finding the Fourth Proportional to 8,173.21, 12,259.83 and 2,329.81

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Solution

The fourth proportional to 8,173.21, 12,259.83 and 2,329.81 is: 3,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.21 : 12,259.83 = 2,329.81 : x
  2. Step 2: Convert to fraction form
    8,173.21/12,259.83 = 2,329.81/x
  3. Step 3: Cross multiply
    8,173.21x = 12,259.83 × 2,329.81
  4. Step 4: Simplify right side
    8,173.21x = 28,563,074.53
  5. Step 5: Solve for x
    x = 28,563,074.53/8,173.21
  6. Step 6: Final answer
    x = 3,494.72

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.